drivers/scsi/qla2xxx/qla_init.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2014 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8 #include "qla_gbl.h"
   9
  10 #include <linux/delay.h>
  11 #include <linux/slab.h>
  12 #include <linux/vmalloc.h>
  13
  14 #include "qla_devtbl.h"
  15
  16 #ifdef CONFIG_SPARC
  17 #include <asm/prom.h>
  18 #endif
  19
  20 #include <target/target_core_base.h>
  21 #include "qla_target.h"
  22
  23 /*
  24 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  25 */
  26 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  27 static int qla2x00_setup_chip(scsi_qla_host_t *);
  28 static int qla2x00_fw_ready(scsi_qla_host_t *);
  29 static int qla2x00_configure_hba(scsi_qla_host_t *);
  30 static int qla2x00_configure_loop(scsi_qla_host_t *);
  31 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  32 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  33 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *);
  34 static int qla2x00_restart_isp(scsi_qla_host_t *);
  35
  36 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  37 static int qla84xx_init_chip(scsi_qla_host_t *);
  38 static int qla25xx_init_queues(struct qla_hw_data *);
  39 static int qla24xx_post_gpdb_work(struct scsi_qla_host *, fc_port_t *, u8);
  40 static void qla24xx_handle_plogi_done_event(struct scsi_qla_host *,
  41     struct event_arg *);
  42
  43 /* SRB Extensions ---------------------------------------------------------- */
  44
  45 void
  46 qla2x00_sp_timeout(unsigned long __data)
  47 {
  48         srb_t *sp = (srb_t *)__data;
  49         struct srb_iocb *iocb;
  50         scsi_qla_host_t *vha = sp->vha;
  51         struct req_que *req;
  52         unsigned long flags;
  53
  54         spin_lock_irqsave(&vha->hw->hardware_lock, flags);
  55         req = vha->hw->req_q_map[0];
  56         req->outstanding_cmds[sp->handle] = NULL;
  57         iocb = &sp->u.iocb_cmd;
  58         iocb->timeout(sp);
  59         sp->free(sp);
  60         spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
  61 }
  62
  63 void
  64 qla2x00_sp_free(void *ptr)
  65 {
  66         srb_t *sp = ptr;
  67         struct srb_iocb *iocb = &sp->u.iocb_cmd;
  68
  69         del_timer(&iocb->timer);
  70         qla2x00_rel_sp(sp);
  71 }
  72
  73 /* Asynchronous Login/Logout Routines -------------------------------------- */
  74
  75 unsigned long
  76 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
  77 {
  78         unsigned long tmo;
  79         struct qla_hw_data *ha = vha->hw;
  80
  81         /* Firmware should use switch negotiated r_a_tov for timeout. */
  82         tmo = ha->r_a_tov / 10 * 2;
  83         if (IS_QLAFX00(ha)) {
  84                 tmo = FX00_DEF_RATOV * 2;
  85         } else if (!IS_FWI2_CAPABLE(ha)) {
  86                 /*
  87                  * Except for earlier ISPs where the timeout is seeded from the
  88                  * initialization control block.
  89                  */
  90                 tmo = ha->login_timeout;
  91         }
  92         return tmo;
  93 }
  94
  95 void
  96 qla2x00_async_iocb_timeout(void *data)
  97 {
  98         srb_t *sp = data;
  99         fc_port_t *fcport = sp->fcport;
 100         struct srb_iocb *lio = &sp->u.iocb_cmd;
 101         struct event_arg ea;
 102
 103         ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 104             "Async-%s timeout - hdl=%x portid=%06x %8phC.\n",
 105             sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);
 106
 107         fcport->flags &= ~FCF_ASYNC_SENT;
 108
 109         switch (sp->type) {
 110         case SRB_LOGIN_CMD:
 111                 /* Retry as needed. */
 112                 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 113                 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 114                         QLA_LOGIO_LOGIN_RETRIED : 0;
 115                 memset(&ea, 0, sizeof(ea));
 116                 ea.event = FCME_PLOGI_DONE;
 117                 ea.fcport = sp->fcport;
 118                 ea.data[0] = lio->u.logio.data[0];
 119                 ea.data[1] = lio->u.logio.data[1];
 120                 ea.sp = sp;
 121                 qla24xx_handle_plogi_done_event(fcport->vha, &ea);
 122                 break;
 123         case SRB_LOGOUT_CMD:
 124                 qlt_logo_completion_handler(fcport, QLA_FUNCTION_TIMEOUT);
 125                 break;
 126         case SRB_CT_PTHRU_CMD:
 127         case SRB_MB_IOCB:
 128         case SRB_NACK_PLOGI:
 129         case SRB_NACK_PRLI:
 130         case SRB_NACK_LOGO:
 131                 sp->done(sp, QLA_FUNCTION_TIMEOUT);
 132                 break;
 133         }
 134 }
 135
 136 static void
 137 qla2x00_async_login_sp_done(void *ptr, int res)
 138 {
 139         srb_t *sp = ptr;
 140         struct scsi_qla_host *vha = sp->vha;
 141         struct srb_iocb *lio = &sp->u.iocb_cmd;
 142         struct event_arg ea;
 143
 144         ql_dbg(ql_dbg_disc, vha, 0xffff,
 145             "%s %8phC res %d \n", __func__, sp->fcport->port_name, res);
 146
 147         sp->fcport->flags &= ~FCF_ASYNC_SENT;
 148         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
 149                 memset(&ea, 0, sizeof(ea));
 150                 ea.event = FCME_PLOGI_DONE;
 151                 ea.fcport = sp->fcport;
 152                 ea.data[0] = lio->u.logio.data[0];
 153                 ea.data[1] = lio->u.logio.data[1];
 154                 ea.iop[0] = lio->u.logio.iop[0];
 155                 ea.iop[1] = lio->u.logio.iop[1];
 156                 ea.sp = sp;
 157                 qla2x00_fcport_event_handler(vha, &ea);
 158         }
 159
 160         sp->free(sp);
 161 }
 162
 163 int
 164 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 165     uint16_t *data)
 166 {
 167         srb_t *sp;
 168         struct srb_iocb *lio;
 169         int rval = QLA_FUNCTION_FAILED;
 170
 171         if (!vha->flags.online)
 172                 goto done;
 173
 174         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
 175             (fcport->fw_login_state == DSC_LS_PLOGI_COMP) ||
 176             (fcport->fw_login_state == DSC_LS_PRLI_PEND))
 177                 goto done;
 178
 179         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 180         if (!sp)
 181                 goto done;
 182
 183         fcport->flags |= FCF_ASYNC_SENT;
 184         fcport->logout_completed = 0;
 185
 186         sp->type = SRB_LOGIN_CMD;
 187         sp->name = "login";
 188         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 189
 190         lio = &sp->u.iocb_cmd;
 191         lio->timeout = qla2x00_async_iocb_timeout;
 192         sp->done = qla2x00_async_login_sp_done;
 193         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 194         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 195                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 196         rval = qla2x00_start_sp(sp);
 197         if (rval != QLA_SUCCESS) {
 198                 fcport->flags &= ~FCF_ASYNC_SENT;
 199                 fcport->flags |= FCF_LOGIN_NEEDED;
 200                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 201                 goto done_free_sp;
 202         }
 203
 204         ql_dbg(ql_dbg_disc, vha, 0x2072,
 205             "Async-login - %8phC hdl=%x, loopid=%x portid=%02x%02x%02x "
 206                 "retries=%d.\n", fcport->port_name, sp->handle, fcport->loop_id,
 207             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 208             fcport->login_retry);
 209         return rval;
 210
 211 done_free_sp:
 212         sp->free(sp);
 213 done:
 214         fcport->flags &= ~FCF_ASYNC_SENT;
 215         return rval;
 216 }
 217
 218 static void
 219 qla2x00_async_logout_sp_done(void *ptr, int res)
 220 {
 221         srb_t *sp = ptr;
 222         struct srb_iocb *lio = &sp->u.iocb_cmd;
 223
 224         sp->fcport->flags &= ~FCF_ASYNC_SENT;
 225         if (!test_bit(UNLOADING, &sp->vha->dpc_flags))
 226                 qla2x00_post_async_logout_done_work(sp->vha, sp->fcport,
 227                     lio->u.logio.data);
 228         sp->free(sp);
 229 }
 230
 231 int
 232 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 233 {
 234         srb_t *sp;
 235         struct srb_iocb *lio;
 236         int rval;
 237
 238         rval = QLA_FUNCTION_FAILED;
 239         fcport->flags |= FCF_ASYNC_SENT;
 240         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 241         if (!sp)
 242                 goto done;
 243
 244         sp->type = SRB_LOGOUT_CMD;
 245         sp->name = "logout";
 246         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 247
 248         lio = &sp->u.iocb_cmd;
 249         lio->timeout = qla2x00_async_iocb_timeout;
 250         sp->done = qla2x00_async_logout_sp_done;
 251         rval = qla2x00_start_sp(sp);
 252         if (rval != QLA_SUCCESS)
 253                 goto done_free_sp;
 254
 255         ql_dbg(ql_dbg_disc, vha, 0x2070,
 256             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC.\n",
 257             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 258                 fcport->d_id.b.area, fcport->d_id.b.al_pa,
 259                 fcport->port_name);
 260         return rval;
 261
 262 done_free_sp:
 263         sp->free(sp);
 264 done:
 265         fcport->flags &= ~FCF_ASYNC_SENT;
 266         return rval;
 267 }
 268
 269 static void
 270 qla2x00_async_adisc_sp_done(void *ptr, int res)
 271 {
 272         srb_t *sp = ptr;
 273         struct scsi_qla_host *vha = sp->vha;
 274         struct srb_iocb *lio = &sp->u.iocb_cmd;
 275
 276         if (!test_bit(UNLOADING, &vha->dpc_flags))
 277                 qla2x00_post_async_adisc_done_work(sp->vha, sp->fcport,
 278                     lio->u.logio.data);
 279         sp->free(sp);
 280 }
 281
 282 int
 283 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 284     uint16_t *data)
 285 {
 286         srb_t *sp;
 287         struct srb_iocb *lio;
 288         int rval;
 289
 290         rval = QLA_FUNCTION_FAILED;
 291         fcport->flags |= FCF_ASYNC_SENT;
 292         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 293         if (!sp)
 294                 goto done;
 295
 296         sp->type = SRB_ADISC_CMD;
 297         sp->name = "adisc";
 298         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 299
 300         lio = &sp->u.iocb_cmd;
 301         lio->timeout = qla2x00_async_iocb_timeout;
 302         sp->done = qla2x00_async_adisc_sp_done;
 303         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 304                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 305         rval = qla2x00_start_sp(sp);
 306         if (rval != QLA_SUCCESS)
 307                 goto done_free_sp;
 308
 309         ql_dbg(ql_dbg_disc, vha, 0x206f,
 310             "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
 311             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 312             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 313         return rval;
 314
 315 done_free_sp:
 316         sp->free(sp);
 317 done:
 318         fcport->flags &= ~FCF_ASYNC_SENT;
 319         return rval;
 320 }
 321
 322 static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
 323         struct event_arg *ea)
 324 {
 325         fc_port_t *fcport, *conflict_fcport;
 326         struct get_name_list_extended *e;
 327         u16 i, n, found = 0, loop_id;
 328         port_id_t id;
 329         u64 wwn;
 330         u8 opt = 0;
 331
 332         fcport = ea->fcport;
 333
 334         if (ea->rc) { /* rval */
 335                 if (fcport->login_retry == 0) {
 336                         fcport->login_retry = vha->hw->login_retry_count;
 337                         ql_dbg(ql_dbg_disc, vha, 0xffff,
 338                                 "GNL failed Port login retry %8phN, retry cnt=%d.\n",
 339                                 fcport->port_name, fcport->login_retry);
 340                 }
 341                 return;
 342         }
 343
 344         if (fcport->last_rscn_gen != fcport->rscn_gen) {
 345                 ql_dbg(ql_dbg_disc, vha, 0xffff,
 346                     "%s %8phC rscn gen changed rscn %d|%d \n",
 347                     __func__, fcport->port_name,
 348                     fcport->last_rscn_gen, fcport->rscn_gen);
 349                 qla24xx_post_gidpn_work(vha, fcport);
 350                 return;
 351         } else if (fcport->last_login_gen != fcport->login_gen) {
 352                 ql_dbg(ql_dbg_disc, vha, 0xffff,
 353                         "%s %8phC login gen changed login %d|%d \n",
 354                         __func__, fcport->port_name,
 355                         fcport->last_login_gen, fcport->login_gen);
 356                 return;
 357         }
 358
 359         n = ea->data[0] / sizeof(struct get_name_list_extended);
 360
 361         ql_dbg(ql_dbg_disc, vha, 0xffff,
 362             "%s %d %8phC n %d %02x%02x%02x lid %d \n",
 363             __func__, __LINE__, fcport->port_name, n,
 364             fcport->d_id.b.domain, fcport->d_id.b.area,
 365             fcport->d_id.b.al_pa, fcport->loop_id);
 366
 367         for (i = 0; i < n; i++) {
 368                 e = &vha->gnl.l[i];
 369                 wwn = wwn_to_u64(e->port_name);
 370
 371                 if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
 372                         continue;
 373
 374                 found = 1;
 375                 id.b.domain = e->port_id[2];
 376                 id.b.area = e->port_id[1];
 377                 id.b.al_pa = e->port_id[0];
 378                 id.b.rsvd_1 = 0;
 379
 380                 loop_id = le16_to_cpu(e->nport_handle);
 381                 loop_id = (loop_id & 0x7fff);
 382
 383                 ql_dbg(ql_dbg_disc, vha, 0xffff,
 384                         "%s found %8phC CLS [%d|%d] ID[%02x%02x%02x|%02x%02x%02x] lid[%d|%d]\n",
 385                            __func__, fcport->port_name,
 386                         e->current_login_state, fcport->fw_login_state,
 387                         id.b.domain, id.b.area, id.b.al_pa,
 388                         fcport->d_id.b.domain, fcport->d_id.b.area,
 389                         fcport->d_id.b.al_pa, loop_id, fcport->loop_id);
 390
 391                 if ((id.b24 != fcport->d_id.b24) ||
 392                     ((fcport->loop_id != FC_NO_LOOP_ID) &&
 393                         (fcport->loop_id != loop_id))) {
 394                         ql_dbg(ql_dbg_disc, vha, 0xffff,
 395                            "%s %d %8phC post del sess\n",
 396                            __func__, __LINE__, fcport->port_name);
 397                         qlt_schedule_sess_for_deletion(fcport, 1);
 398                         return;
 399                 }
 400
 401                 fcport->loop_id = loop_id;
 402
 403                 wwn = wwn_to_u64(fcport->port_name);
 404                 qlt_find_sess_invalidate_other(vha, wwn,
 405                         id, loop_id, &conflict_fcport);
 406
 407                 if (conflict_fcport) {
 408                         /*
 409                          * Another share fcport share the same loop_id &
 410                          * nport id. Conflict fcport needs to finish
 411                          * cleanup before this fcport can proceed to login.
 412                          */
 413                         conflict_fcport->conflict = fcport;
 414                         fcport->login_pause = 1;
 415                 }
 416
 417                 switch (e->current_login_state) {
 418                 case DSC_LS_PRLI_COMP:
 419                         ql_dbg(ql_dbg_disc, vha, 0xffff,
 420                            "%s %d %8phC post gpdb\n",
 421                            __func__, __LINE__, fcport->port_name);
 422                         opt = PDO_FORCE_ADISC;
 423                         qla24xx_post_gpdb_work(vha, fcport, opt);
 424                         break;
 425
 426                 case DSC_LS_PORT_UNAVAIL:
 427                 default:
 428                         if (fcport->loop_id == FC_NO_LOOP_ID) {
 429                                 qla2x00_find_new_loop_id(vha, fcport);
 430                                 fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
 431                         }
 432                         ql_dbg(ql_dbg_disc, vha, 0xffff,
 433                            "%s %d %8phC \n",
 434                            __func__, __LINE__, fcport->port_name);
 435                         qla24xx_fcport_handle_login(vha, fcport);
 436                         break;
 437                 }
 438         }
 439
 440         if (!found) {
 441                 /* fw has no record of this port */
 442                 if (fcport->loop_id == FC_NO_LOOP_ID) {
 443                         qla2x00_find_new_loop_id(vha, fcport);
 444                         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
 445                 } else {
 446                         for (i = 0; i < n; i++) {
 447                                 e = &vha->gnl.l[i];
 448                                 id.b.domain = e->port_id[0];
 449                                 id.b.area = e->port_id[1];
 450                                 id.b.al_pa = e->port_id[2];
 451                                 id.b.rsvd_1 = 0;
 452                                 loop_id = le16_to_cpu(e->nport_handle);
 453
 454                                 if (fcport->d_id.b24 == id.b24) {
 455                                         conflict_fcport =
 456                                             qla2x00_find_fcport_by_wwpn(vha,
 457                                                 e->port_name, 0);
 458
 459                                         ql_dbg(ql_dbg_disc, vha, 0xffff,
 460                                             "%s %d %8phC post del sess\n",
 461                                             __func__, __LINE__,
 462                                             conflict_fcport->port_name);
 463                                         qlt_schedule_sess_for_deletion
 464                                                 (conflict_fcport, 1);
 465                                 }
 466
 467                                 if (fcport->loop_id == loop_id) {
 468                                         /* FW already picked this loop id for another fcport */
 469                                         qla2x00_find_new_loop_id(vha, fcport);
 470                                 }
 471                         }
 472                 }
 473                 qla24xx_fcport_handle_login(vha, fcport);
 474         }
 475 } /* gnl_event */
 476
 477 static void
 478 qla24xx_async_gnl_sp_done(void *s, int res)
 479 {
 480         struct srb *sp = s;
 481         struct scsi_qla_host *vha = sp->vha;
 482         unsigned long flags;
 483         struct fc_port *fcport = NULL, *tf;
 484         u16 i, n = 0, loop_id;
 485         struct event_arg ea;
 486         struct get_name_list_extended *e;
 487         u64 wwn;
 488         struct list_head h;
 489
 490         ql_dbg(ql_dbg_disc, vha, 0xffff,
 491             "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
 492             sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
 493             sp->u.iocb_cmd.u.mbx.in_mb[2]);
 494
 495         memset(&ea, 0, sizeof(ea));
 496         ea.sp = sp;
 497         ea.rc = res;
 498         ea.event = FCME_GNL_DONE;
 499
 500         if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
 501             sizeof(struct get_name_list_extended)) {
 502                 n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
 503                     sizeof(struct get_name_list_extended);
 504                 ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
 505         }
 506
 507         for (i = 0; i < n; i++) {
 508                 e = &vha->gnl.l[i];
 509                 loop_id = le16_to_cpu(e->nport_handle);
 510                 /* mask out reserve bit */
 511                 loop_id = (loop_id & 0x7fff);
 512                 set_bit(loop_id, vha->hw->loop_id_map);
 513                 wwn = wwn_to_u64(e->port_name);
 514
 515                 ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
 516                     "%s %8phC %02x:%02x:%02x state %d/%d lid %x \n",
 517                     __func__, (void *)&wwn, e->port_id[2], e->port_id[1],
 518                     e->port_id[0], e->current_login_state, e->last_login_state,
 519                     (loop_id & 0x7fff));
 520         }
 521
 522         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 523         vha->gnl.sent = 0;
 524
 525         INIT_LIST_HEAD(&h);
 526         fcport = tf = NULL;
 527         if (!list_empty(&vha->gnl.fcports))
 528                 list_splice_init(&vha->gnl.fcports, &h);
 529
 530         list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
 531                 list_del_init(&fcport->gnl_entry);
 532                 fcport->flags &= ~FCF_ASYNC_SENT;
 533                 ea.fcport = fcport;
 534
 535                 qla2x00_fcport_event_handler(vha, &ea);
 536         }
 537
 538         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 539
 540         sp->free(sp);
 541 }
 542
 543 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
 544 {
 545         srb_t *sp;
 546         struct srb_iocb *mbx;
 547         int rval = QLA_FUNCTION_FAILED;
 548         unsigned long flags;
 549         u16 *mb;
 550
 551         if (!vha->flags.online)
 552                 goto done;
 553
 554         ql_dbg(ql_dbg_disc, vha, 0xffff,
 555             "Async-gnlist WWPN %8phC \n", fcport->port_name);
 556
 557         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 558         fcport->flags |= FCF_ASYNC_SENT;
 559         fcport->disc_state = DSC_GNL;
 560         fcport->last_rscn_gen = fcport->rscn_gen;
 561         fcport->last_login_gen = fcport->login_gen;
 562
 563         list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
 564         if (vha->gnl.sent) {
 565                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 566                 rval = QLA_SUCCESS;
 567                 goto done;
 568         }
 569         vha->gnl.sent = 1;
 570         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 571
 572         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 573         if (!sp)
 574                 goto done;
 575         sp->type = SRB_MB_IOCB;
 576         sp->name = "gnlist";
 577         sp->gen1 = fcport->rscn_gen;
 578         sp->gen2 = fcport->login_gen;
 579
 580         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2);
 581
 582         mb = sp->u.iocb_cmd.u.mbx.out_mb;
 583         mb[0] = MBC_PORT_NODE_NAME_LIST;
 584         mb[1] = BIT_2 | BIT_3;
 585         mb[2] = MSW(vha->gnl.ldma);
 586         mb[3] = LSW(vha->gnl.ldma);
 587         mb[6] = MSW(MSD(vha->gnl.ldma));
 588         mb[7] = LSW(MSD(vha->gnl.ldma));
 589         mb[8] = vha->gnl.size;
 590         mb[9] = vha->vp_idx;
 591
 592         mbx = &sp->u.iocb_cmd;
 593         mbx->timeout = qla2x00_async_iocb_timeout;
 594
 595         sp->done = qla24xx_async_gnl_sp_done;
 596
 597         rval = qla2x00_start_sp(sp);
 598         if (rval != QLA_SUCCESS)
 599                 goto done_free_sp;
 600
 601         ql_dbg(ql_dbg_disc, vha, 0xffff,
 602                 "Async-%s - OUT WWPN %8phC hndl %x\n",
 603                 sp->name, fcport->port_name, sp->handle);
 604
 605         return rval;
 606
 607 done_free_sp:
 608         sp->free(sp);
 609 done:
 610         fcport->flags &= ~FCF_ASYNC_SENT;
 611         return rval;
 612 }
 613
 614 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 615 {
 616         struct qla_work_evt *e;
 617
 618         e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
 619         if (!e)
 620                 return QLA_FUNCTION_FAILED;
 621
 622         e->u.fcport.fcport = fcport;
 623         return qla2x00_post_work(vha, e);
 624 }
 625
 626 static
 627 void qla24xx_async_gpdb_sp_done(void *s, int res)
 628 {
 629         struct srb *sp = s;
 630         struct scsi_qla_host *vha = sp->vha;
 631         struct qla_hw_data *ha = vha->hw;
 632         uint64_t zero = 0;
 633         struct port_database_24xx *pd;
 634         fc_port_t *fcport = sp->fcport;
 635         u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
 636         int rval = QLA_SUCCESS;
 637         struct event_arg ea;
 638
 639         ql_dbg(ql_dbg_disc, vha, 0xffff,
 640             "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
 641             sp->name, res, fcport->port_name, mb[1], mb[2]);
 642
 643         fcport->flags &= ~FCF_ASYNC_SENT;
 644
 645         if (res) {
 646                 rval = res;
 647                 goto gpd_error_out;
 648         }
 649
 650         pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
 651
 652         /* Check for logged in state. */
 653         if (pd->current_login_state != PDS_PRLI_COMPLETE &&
 654             pd->last_login_state != PDS_PRLI_COMPLETE) {
 655                 ql_dbg(ql_dbg_mbx, vha, 0xffff,
 656                     "Unable to verify login-state (%x/%x) for "
 657                     "loop_id %x.\n", pd->current_login_state,
 658                     pd->last_login_state, fcport->loop_id);
 659                 rval = QLA_FUNCTION_FAILED;
 660                 goto gpd_error_out;
 661         }
 662
 663         if (fcport->loop_id == FC_NO_LOOP_ID ||
 664             (memcmp(fcport->port_name, (uint8_t *)&zero, 8) &&
 665                 memcmp(fcport->port_name, pd->port_name, 8))) {
 666                 /* We lost the device mid way. */
 667                 rval = QLA_NOT_LOGGED_IN;
 668                 goto gpd_error_out;
 669         }
 670
 671         /* Names are little-endian. */
 672         memcpy(fcport->node_name, pd->node_name, WWN_SIZE);
 673
 674         /* Get port_id of device. */
 675         fcport->d_id.b.domain = pd->port_id[0];
 676         fcport->d_id.b.area = pd->port_id[1];
 677         fcport->d_id.b.al_pa = pd->port_id[2];
 678         fcport->d_id.b.rsvd_1 = 0;
 679
 680         /* If not target must be initiator or unknown type. */
 681         if ((pd->prli_svc_param_word_3[0] & BIT_4) == 0)
 682                 fcport->port_type = FCT_INITIATOR;
 683         else
 684                 fcport->port_type = FCT_TARGET;
 685
 686         /* Passback COS information. */
 687         fcport->supported_classes = (pd->flags & PDF_CLASS_2) ?
 688                 FC_COS_CLASS2 : FC_COS_CLASS3;
 689
 690         if (pd->prli_svc_param_word_3[0] & BIT_7) {
 691                 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
 692                 fcport->conf_compl_supported = 1;
 693         }
 694
 695 gpd_error_out:
 696         memset(&ea, 0, sizeof(ea));
 697         ea.event = FCME_GPDB_DONE;
 698         ea.rc = rval;
 699         ea.fcport = fcport;
 700         ea.sp = sp;
 701
 702         qla2x00_fcport_event_handler(vha, &ea);
 703
 704         dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
 705                 sp->u.iocb_cmd.u.mbx.in_dma);
 706
 707         sp->free(sp);
 708 }
 709
 710 static int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport,
 711     u8 opt)
 712 {
 713         struct qla_work_evt *e;
 714
 715         e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
 716         if (!e)
 717                 return QLA_FUNCTION_FAILED;
 718
 719         e->u.fcport.fcport = fcport;
 720         e->u.fcport.opt = opt;
 721         return qla2x00_post_work(vha, e);
 722 }
 723
 724 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
 725 {
 726         srb_t *sp;
 727         struct srb_iocb *mbx;
 728         int rval = QLA_FUNCTION_FAILED;
 729         u16 *mb;
 730         dma_addr_t pd_dma;
 731         struct port_database_24xx *pd;
 732         struct qla_hw_data *ha = vha->hw;
 733
 734         if (!vha->flags.online)
 735                 goto done;
 736
 737         fcport->flags |= FCF_ASYNC_SENT;
 738         fcport->disc_state = DSC_GPDB;
 739
 740         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 741         if (!sp)
 742                 goto done;
 743
 744         pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
 745         if (pd == NULL) {
 746                 ql_log(ql_log_warn, vha, 0xffff,
 747                         "Failed to allocate port database structure.\n");
 748                 goto done_free_sp;
 749         }
 750         memset(pd, 0, max(PORT_DATABASE_SIZE, PORT_DATABASE_24XX_SIZE));
 751
 752         sp->type = SRB_MB_IOCB;
 753         sp->name = "gpdb";
 754         sp->gen1 = fcport->rscn_gen;
 755         sp->gen2 = fcport->login_gen;
 756         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 757
 758         mb = sp->u.iocb_cmd.u.mbx.out_mb;
 759         mb[0] = MBC_GET_PORT_DATABASE;
 760         mb[1] = fcport->loop_id;
 761         mb[2] = MSW(pd_dma);
 762         mb[3] = LSW(pd_dma);
 763         mb[6] = MSW(MSD(pd_dma));
 764         mb[7] = LSW(MSD(pd_dma));
 765         mb[9] = vha->vp_idx;
 766         mb[10] = opt;
 767
 768         mbx = &sp->u.iocb_cmd;
 769         mbx->timeout = qla2x00_async_iocb_timeout;
 770         mbx->u.mbx.in = (void *)pd;
 771         mbx->u.mbx.in_dma = pd_dma;
 772
 773         sp->done = qla24xx_async_gpdb_sp_done;
 774
 775         rval = qla2x00_start_sp(sp);
 776         if (rval != QLA_SUCCESS)
 777                 goto done_free_sp;
 778
 779         ql_dbg(ql_dbg_disc, vha, 0xffff,
 780                 "Async-%s %8phC hndl %x opt %x\n",
 781                 sp->name, fcport->port_name, sp->handle, opt);
 782
 783         return rval;
 784
 785 done_free_sp:
 786         if (pd)
 787                 dma_pool_free(ha->s_dma_pool, pd, pd_dma);
 788
 789         sp->free(sp);
 790 done:
 791         fcport->flags &= ~FCF_ASYNC_SENT;
 792         qla24xx_post_gpdb_work(vha, fcport, opt);
 793         return rval;
 794 }
 795
 796 static
 797 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
 798 {
 799         int rval = ea->rc;
 800         fc_port_t *fcport = ea->fcport;
 801         unsigned long flags;
 802
 803         fcport->flags &= ~FCF_ASYNC_SENT;
 804
 805         ql_dbg(ql_dbg_disc, vha, 0xffff,
 806             "%s %8phC DS %d LS %d rval %d\n", __func__, fcport->port_name,
 807             fcport->disc_state, fcport->fw_login_state, rval);
 808
 809         if (ea->sp->gen2 != fcport->login_gen) {
 810                 /* target side must have changed it. */
 811                 ql_dbg(ql_dbg_disc, vha, 0xffff,
 812                     "%s %8phC generation changed rscn %d|%d login %d|%d \n",
 813                     __func__, fcport->port_name, fcport->last_rscn_gen,
 814                     fcport->rscn_gen, fcport->last_login_gen,
 815                     fcport->login_gen);
 816                 return;
 817         } else if (ea->sp->gen1 != fcport->rscn_gen) {
 818                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC post gidpn\n",
 819                     __func__, __LINE__, fcport->port_name);
 820                 qla24xx_post_gidpn_work(vha, fcport);
 821                 return;
 822         }
 823
 824         if (rval != QLA_SUCCESS) {
 825                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC post del sess\n",
 826                     __func__, __LINE__, fcport->port_name);
 827                 qlt_schedule_sess_for_deletion_lock(fcport);
 828                 return;
 829         }
 830
 831         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 832         ea->fcport->login_gen++;
 833         ea->fcport->deleted = 0;
 834         ea->fcport->logout_on_delete = 1;
 835
 836         if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
 837                 vha->fcport_count++;
 838                 ea->fcport->login_succ = 1;
 839
 840                 if (!IS_IIDMA_CAPABLE(vha->hw) ||
 841                     !vha->hw->flags.gpsc_supported) {
 842                         ql_dbg(ql_dbg_disc, vha, 0xffff,
 843                             "%s %d %8phC post upd_fcport fcp_cnt %d\n",
 844                             __func__, __LINE__, fcport->port_name,
 845                             vha->fcport_count);
 846
 847                         qla24xx_post_upd_fcport_work(vha, fcport);
 848                 } else {
 849                         ql_dbg(ql_dbg_disc, vha, 0xffff,
 850                             "%s %d %8phC post gpsc fcp_cnt %d\n",
 851                             __func__, __LINE__, fcport->port_name,
 852                             vha->fcport_count);
 853
 854                         qla24xx_post_gpsc_work(vha, fcport);
 855                 }
 856         }
 857         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 858 } /* gpdb event */
 859
 860 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
 861 {
 862         if (fcport->login_retry == 0)
 863                 return 0;
 864
 865         if (fcport->scan_state != QLA_FCPORT_FOUND)
 866                 return 0;
 867
 868         ql_dbg(ql_dbg_disc, vha, 0xffff,
 869             "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d|%d retry %d lid %d\n",
 870             __func__, fcport->port_name, fcport->disc_state,
 871             fcport->fw_login_state, fcport->login_pause, fcport->flags,
 872             fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
 873             fcport->last_login_gen, fcport->login_gen, fcport->login_retry,
 874             fcport->loop_id);
 875
 876         fcport->login_retry--;
 877
 878         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
 879             (fcport->fw_login_state == DSC_LS_PLOGI_COMP) ||
 880             (fcport->fw_login_state == DSC_LS_PRLI_PEND))
 881                 return 0;
 882
 883         /* for pure Target Mode. Login will not be initiated */
 884         if (vha->host->active_mode == MODE_TARGET)
 885                 return 0;
 886
 887         if (fcport->flags & FCF_ASYNC_SENT) {
 888                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 889                 return 0;
 890         }
 891
 892         switch (fcport->disc_state) {
 893         case DSC_DELETED:
 894                 if (fcport->loop_id == FC_NO_LOOP_ID) {
 895                         ql_dbg(ql_dbg_disc, vha, 0xffff,
 896                            "%s %d %8phC post gnl\n",
 897                            __func__, __LINE__, fcport->port_name);
 898                         qla24xx_async_gnl(vha, fcport);
 899                 } else {
 900                         ql_dbg(ql_dbg_disc, vha, 0xffff,
 901                            "%s %d %8phC post login\n",
 902                            __func__, __LINE__, fcport->port_name);
 903                         fcport->disc_state = DSC_LOGIN_PEND;
 904                         qla2x00_post_async_login_work(vha, fcport, NULL);
 905                 }
 906                 break;
 907
 908         case DSC_GNL:
 909                 if (fcport->login_pause) {
 910                         fcport->last_rscn_gen = fcport->rscn_gen;
 911                         fcport->last_login_gen = fcport->login_gen;
 912                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 913                         break;
 914                 }
 915
 916                 if (fcport->flags & FCF_FCP2_DEVICE) {
 917                         u8 opt = PDO_FORCE_ADISC;
 918
 919                         ql_dbg(ql_dbg_disc, vha, 0xffff,
 920                            "%s %d %8phC post gpdb\n",
 921                            __func__, __LINE__, fcport->port_name);
 922
 923                         fcport->disc_state = DSC_GPDB;
 924                         qla24xx_post_gpdb_work(vha, fcport, opt);
 925                 } else {
 926                         ql_dbg(ql_dbg_disc, vha, 0xffff,
 927                            "%s %d %8phC post login \n",
 928                            __func__, __LINE__, fcport->port_name);
 929                         fcport->disc_state = DSC_LOGIN_PEND;
 930                         qla2x00_post_async_login_work(vha, fcport, NULL);
 931                 }
 932
 933                 break;
 934
 935         case DSC_LOGIN_FAILED:
 936                 ql_dbg(ql_dbg_disc, vha, 0xffff,
 937                            "%s %d %8phC post gidpn \n",
 938                            __func__, __LINE__, fcport->port_name);
 939
 940                 qla24xx_post_gidpn_work(vha, fcport);
 941                 break;
 942
 943         case DSC_LOGIN_COMPLETE:
 944                 /* recheck login state */
 945                 ql_dbg(ql_dbg_disc, vha, 0xffff,
 946                            "%s %d %8phC post gpdb \n",
 947                            __func__, __LINE__, fcport->port_name);
 948
 949                 qla24xx_post_gpdb_work(vha, fcport, PDO_FORCE_ADISC);
 950                 break;
 951
 952         default:
 953                 break;
 954         }
 955
 956         return 0;
 957 }
 958
 959 static
 960 void qla24xx_handle_rscn_event(fc_port_t *fcport, struct event_arg *ea)
 961 {
 962         fcport->rscn_gen++;
 963
 964         ql_dbg(ql_dbg_disc, fcport->vha, 0xffff,
 965                 "%s %8phC DS %d LS %d\n",
 966                 __func__, fcport->port_name, fcport->disc_state,
 967                 fcport->fw_login_state);
 968
 969         if (fcport->flags & FCF_ASYNC_SENT)
 970                 return;
 971
 972         switch (fcport->disc_state) {
 973         case DSC_DELETED:
 974         case DSC_LOGIN_COMPLETE:
 975                 qla24xx_post_gidpn_work(fcport->vha, fcport);
 976                 break;
 977
 978         default:
 979                 break;
 980         }
 981 }
 982
 983 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
 984         u8 *port_name, void *pla)
 985 {
 986         struct qla_work_evt *e;
 987         e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
 988         if (!e)
 989                 return QLA_FUNCTION_FAILED;
 990
 991         e->u.new_sess.id = *id;
 992         e->u.new_sess.pla = pla;
 993         memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
 994
 995         return qla2x00_post_work(vha, e);
 996 }
 997
 998 static
 999 int qla24xx_handle_delete_done_event(scsi_qla_host_t *vha,
1000         struct event_arg *ea)
1001 {
1002         fc_port_t *fcport = ea->fcport;
1003
1004         if (test_bit(UNLOADING, &vha->dpc_flags))
1005                 return 0;
1006
1007         switch (vha->host->active_mode) {
1008         case MODE_INITIATOR:
1009         case MODE_DUAL:
1010                 if (fcport->scan_state == QLA_FCPORT_FOUND)
1011                         qla24xx_fcport_handle_login(vha, fcport);
1012                 break;
1013
1014         case MODE_TARGET:
1015         default:
1016                 /* no-op */
1017                 break;
1018         }
1019
1020         return 0;
1021 }
1022
1023 static
1024 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
1025         struct event_arg *ea)
1026 {
1027         fc_port_t *fcport = ea->fcport;
1028
1029         if (fcport->scan_state != QLA_FCPORT_FOUND) {
1030                 fcport->login_retry++;
1031                 return;
1032         }
1033
1034         ql_dbg(ql_dbg_disc, vha, 0xffff,
1035                 "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
1036                 __func__, fcport->port_name, fcport->disc_state,
1037                 fcport->fw_login_state, fcport->login_pause,
1038                 fcport->deleted, fcport->conflict,
1039                 fcport->last_rscn_gen, fcport->rscn_gen,
1040                 fcport->last_login_gen, fcport->login_gen,
1041                 fcport->flags);
1042
1043         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1044             (fcport->fw_login_state == DSC_LS_PLOGI_COMP) ||
1045             (fcport->fw_login_state == DSC_LS_PRLI_PEND))
1046                 return;
1047
1048         if (fcport->flags & FCF_ASYNC_SENT) {
1049                 fcport->login_retry++;
1050                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1051                 return;
1052         }
1053
1054         if (fcport->disc_state == DSC_DELETE_PEND) {
1055                 fcport->login_retry++;
1056                 return;
1057         }
1058
1059         if (fcport->last_rscn_gen != fcport->rscn_gen) {
1060                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC post gidpn\n",
1061                     __func__, __LINE__, fcport->port_name);
1062
1063                 qla24xx_async_gidpn(vha, fcport);
1064                 return;
1065         }
1066
1067         qla24xx_fcport_handle_login(vha, fcport);
1068 }
1069
1070 void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea)
1071 {
1072         fc_port_t *fcport, *f, *tf;
1073         uint32_t id = 0, mask, rid;
1074         int rc;
1075
1076         switch (ea->event) {
1077         case FCME_RELOGIN:
1078                 if (test_bit(UNLOADING, &vha->dpc_flags))
1079                         return;
1080
1081                 qla24xx_handle_relogin_event(vha, ea);
1082                 break;
1083         case FCME_RSCN:
1084                 if (test_bit(UNLOADING, &vha->dpc_flags))
1085                         return;
1086                 switch (ea->id.b.rsvd_1) {
1087                 case RSCN_PORT_ADDR:
1088                         fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
1089                         if (!fcport) {
1090                                 /* cable moved */
1091                                 rc = qla24xx_post_gpnid_work(vha, &ea->id);
1092                                 if (rc) {
1093                                         ql_log(ql_log_warn, vha, 0xffff,
1094                                                 "RSCN GPNID work failed %02x%02x%02x\n",
1095                                                 ea->id.b.domain, ea->id.b.area,
1096                                                 ea->id.b.al_pa);
1097                                 }
1098                         } else {
1099                                 ea->fcport = fcport;
1100                                 qla24xx_handle_rscn_event(fcport, ea);
1101                         }
1102                         break;
1103                 case RSCN_AREA_ADDR:
1104                 case RSCN_DOM_ADDR:
1105                         if (ea->id.b.rsvd_1 == RSCN_AREA_ADDR) {
1106                                 mask = 0xffff00;
1107                                 ql_log(ql_dbg_async, vha, 0xffff,
1108                                            "RSCN: Area 0x%06x was affected\n",
1109                                            ea->id.b24);
1110                         } else {
1111                                 mask = 0xff0000;
1112                                 ql_log(ql_dbg_async, vha, 0xffff,
1113                                            "RSCN: Domain 0x%06x was affected\n",
1114                                            ea->id.b24);
1115                         }
1116
1117                         rid = ea->id.b24 & mask;
1118                         list_for_each_entry_safe(f, tf, &vha->vp_fcports,
1119                             list) {
1120                                 id = f->d_id.b24 & mask;
1121                                 if (rid == id) {
1122                                         ea->fcport = f;
1123                                         qla24xx_handle_rscn_event(f, ea);
1124                                 }
1125                         }
1126                         break;
1127                 case RSCN_FAB_ADDR:
1128                 default:
1129                         ql_log(ql_log_warn, vha, 0xffff,
1130                                 "RSCN: Fabric was affected. Addr format %d\n",
1131                                 ea->id.b.rsvd_1);
1132                         qla2x00_mark_all_devices_lost(vha, 1);
1133                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1134                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1135                 }
1136                 break;
1137         case FCME_GIDPN_DONE:
1138                 qla24xx_handle_gidpn_event(vha, ea);
1139                 break;
1140         case FCME_GNL_DONE:
1141                 qla24xx_handle_gnl_done_event(vha, ea);
1142                 break;
1143         case FCME_GPSC_DONE:
1144                 qla24xx_post_upd_fcport_work(vha, ea->fcport);
1145                 break;
1146         case FCME_PLOGI_DONE:   /* Initiator side sent LLIOCB */
1147                 qla24xx_handle_plogi_done_event(vha, ea);
1148                 break;
1149         case FCME_GPDB_DONE:
1150                 qla24xx_handle_gpdb_event(vha, ea);
1151                 break;
1152         case FCME_GPNID_DONE:
1153                 qla24xx_handle_gpnid_event(vha, ea);
1154                 break;
1155         case FCME_DELETE_DONE:
1156                 qla24xx_handle_delete_done_event(vha, ea);
1157                 break;
1158         default:
1159                 BUG_ON(1);
1160                 break;
1161         }
1162 }
1163
1164 static void
1165 qla2x00_tmf_iocb_timeout(void *data)
1166 {
1167         srb_t *sp = data;
1168         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1169
1170         tmf->u.tmf.comp_status = CS_TIMEOUT;
1171         complete(&tmf->u.tmf.comp);
1172 }
1173
1174 static void
1175 qla2x00_tmf_sp_done(void *ptr, int res)
1176 {
1177         srb_t *sp = ptr;
1178         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1179
1180         complete(&tmf->u.tmf.comp);
1181 }
1182
1183 int
1184 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
1185         uint32_t tag)
1186 {
1187         struct scsi_qla_host *vha = fcport->vha;
1188         struct srb_iocb *tm_iocb;
1189         srb_t *sp;
1190         int rval = QLA_FUNCTION_FAILED;
1191
1192         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1193         if (!sp)
1194                 goto done;
1195
1196         tm_iocb = &sp->u.iocb_cmd;
1197         sp->type = SRB_TM_CMD;
1198         sp->name = "tmf";
1199         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1200         tm_iocb->u.tmf.flags = flags;
1201         tm_iocb->u.tmf.lun = lun;
1202         tm_iocb->u.tmf.data = tag;
1203         sp->done = qla2x00_tmf_sp_done;
1204         tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
1205         init_completion(&tm_iocb->u.tmf.comp);
1206
1207         rval = qla2x00_start_sp(sp);
1208         if (rval != QLA_SUCCESS)
1209                 goto done_free_sp;
1210
1211         ql_dbg(ql_dbg_taskm, vha, 0x802f,
1212             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
1213             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
1214             fcport->d_id.b.area, fcport->d_id.b.al_pa);
1215
1216         wait_for_completion(&tm_iocb->u.tmf.comp);
1217
1218         rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
1219             QLA_SUCCESS : QLA_FUNCTION_FAILED;
1220
1221         if ((rval != QLA_SUCCESS) || tm_iocb->u.tmf.data) {
1222                 ql_dbg(ql_dbg_taskm, vha, 0x8030,
1223                     "TM IOCB failed (%x).\n", rval);
1224         }
1225
1226         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
1227                 flags = tm_iocb->u.tmf.flags;
1228                 lun = (uint16_t)tm_iocb->u.tmf.lun;
1229
1230                 /* Issue Marker IOCB */
1231                 qla2x00_marker(vha, vha->hw->req_q_map[0],
1232                     vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
1233                     flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
1234         }
1235
1236 done_free_sp:
1237         sp->free(sp);
1238 done:
1239         return rval;
1240 }
1241
1242 static void
1243 qla24xx_abort_iocb_timeout(void *data)
1244 {
1245         srb_t *sp = data;
1246         struct srb_iocb *abt = &sp->u.iocb_cmd;
1247
1248         abt->u.abt.comp_status = CS_TIMEOUT;
1249         complete(&abt->u.abt.comp);
1250 }
1251
1252 static void
1253 qla24xx_abort_sp_done(void *ptr, int res)
1254 {
1255         srb_t *sp = ptr;
1256         struct srb_iocb *abt = &sp->u.iocb_cmd;
1257
1258         complete(&abt->u.abt.comp);
1259 }
1260
1261 static int
1262 qla24xx_async_abort_cmd(srb_t *cmd_sp)
1263 {
1264         scsi_qla_host_t *vha = cmd_sp->vha;
1265         fc_port_t *fcport = cmd_sp->fcport;
1266         struct srb_iocb *abt_iocb;
1267         srb_t *sp;
1268         int rval = QLA_FUNCTION_FAILED;
1269
1270         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1271         if (!sp)
1272                 goto done;
1273
1274         abt_iocb = &sp->u.iocb_cmd;
1275         sp->type = SRB_ABT_CMD;
1276         sp->name = "abort";
1277         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1278         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
1279         sp->done = qla24xx_abort_sp_done;
1280         abt_iocb->timeout = qla24xx_abort_iocb_timeout;
1281         init_completion(&abt_iocb->u.abt.comp);
1282
1283         rval = qla2x00_start_sp(sp);
1284         if (rval != QLA_SUCCESS)
1285                 goto done_free_sp;
1286
1287         ql_dbg(ql_dbg_async, vha, 0x507c,
1288             "Abort command issued - hdl=%x, target_id=%x\n",
1289             cmd_sp->handle, fcport->tgt_id);
1290
1291         wait_for_completion(&abt_iocb->u.abt.comp);
1292
1293         rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
1294             QLA_SUCCESS : QLA_FUNCTION_FAILED;
1295
1296 done_free_sp:
1297         sp->free(sp);
1298 done:
1299         return rval;
1300 }
1301
1302 int
1303 qla24xx_async_abort_command(srb_t *sp)
1304 {
1305         unsigned long   flags = 0;
1306
1307         uint32_t        handle;
1308         fc_port_t       *fcport = sp->fcport;
1309         struct scsi_qla_host *vha = fcport->vha;
1310         struct qla_hw_data *ha = vha->hw;
1311         struct req_que *req = vha->req;
1312
1313         spin_lock_irqsave(&ha->hardware_lock, flags);
1314         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
1315                 if (req->outstanding_cmds[handle] == sp)
1316                         break;
1317         }
1318         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1319         if (handle == req->num_outstanding_cmds) {
1320                 /* Command not found. */
1321                 return QLA_FUNCTION_FAILED;
1322         }
1323         if (sp->type == SRB_FXIOCB_DCMD)
1324                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1325                     FXDISC_ABORT_IOCTL);
1326
1327         return qla24xx_async_abort_cmd(sp);
1328 }
1329
1330 static void
1331 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1332 {
1333         port_id_t cid;  /* conflict Nport id */
1334
1335         switch (ea->data[0]) {
1336         case MBS_COMMAND_COMPLETE:
1337                 /*
1338                  * Driver must validate login state - If PRLI not complete,
1339                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
1340                  * requests.
1341                  */
1342                 ql_dbg(ql_dbg_disc, vha, 0xffff,
1343                            "%s %d %8phC post gpdb\n",
1344                            __func__, __LINE__, ea->fcport->port_name);
1345                 ea->fcport->chip_reset = vha->hw->chip_reset;
1346                 ea->fcport->logout_on_delete = 1;
1347                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1348                 break;
1349         case MBS_COMMAND_ERROR:
1350                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC cmd error %x\n",
1351                     __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
1352
1353                 ea->fcport->flags &= ~FCF_ASYNC_SENT;
1354                 ea->fcport->disc_state = DSC_LOGIN_FAILED;
1355                 if (ea->data[1] & QLA_LOGIO_LOGIN_RETRIED)
1356                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1357                 else
1358                         qla2x00_mark_device_lost(vha, ea->fcport, 1, 0);
1359                 break;
1360         case MBS_LOOP_ID_USED:
1361                 /* data[1] = IO PARAM 1 = nport ID  */
1362                 cid.b.domain = (ea->iop[1] >> 16) & 0xff;
1363                 cid.b.area   = (ea->iop[1] >>  8) & 0xff;
1364                 cid.b.al_pa  = ea->iop[1] & 0xff;
1365                 cid.b.rsvd_1 = 0;
1366
1367                 ql_dbg(ql_dbg_disc, vha, 0xffff,
1368                         "%s %d %8phC LoopID 0x%x in use post gnl\n",
1369                         __func__, __LINE__, ea->fcport->port_name,
1370                         ea->fcport->loop_id);
1371
1372                 if (IS_SW_RESV_ADDR(cid)) {
1373                         set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
1374                         ea->fcport->loop_id = FC_NO_LOOP_ID;
1375                 } else {
1376                         qla2x00_clear_loop_id(ea->fcport);
1377                 }
1378                 qla24xx_post_gnl_work(vha, ea->fcport);
1379                 break;
1380         case MBS_PORT_ID_USED:
1381                 ql_dbg(ql_dbg_disc, vha, 0xffff,
1382                         "%s %d %8phC NPortId %02x%02x%02x inuse post gidpn\n",
1383                         __func__, __LINE__, ea->fcport->port_name,
1384                         ea->fcport->d_id.b.domain, ea->fcport->d_id.b.area,
1385                         ea->fcport->d_id.b.al_pa);
1386
1387                 qla2x00_clear_loop_id(ea->fcport);
1388                 qla24xx_post_gidpn_work(vha, ea->fcport);
1389                 break;
1390         }
1391         return;
1392 }
1393
1394 void
1395 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
1396     uint16_t *data)
1397 {
1398         qla2x00_mark_device_lost(vha, fcport, 1, 0);
1399         qlt_logo_completion_handler(fcport, data[0]);
1400         fcport->login_gen++;
1401         return;
1402 }
1403
1404 void
1405 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
1406     uint16_t *data)
1407 {
1408         if (data[0] == MBS_COMMAND_COMPLETE) {
1409                 qla2x00_update_fcport(vha, fcport);
1410
1411                 return;
1412         }
1413
1414         /* Retry login. */
1415         fcport->flags &= ~FCF_ASYNC_SENT;
1416         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
1417                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1418         else
1419                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1420
1421         return;
1422 }
1423
1424 /****************************************************************************/
1425 /*                QLogic ISP2x00 Hardware Support Functions.                */
1426 /****************************************************************************/
1427
1428 static int
1429 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
1430 {
1431         int rval = QLA_SUCCESS;
1432         struct qla_hw_data *ha = vha->hw;
1433         uint32_t idc_major_ver, idc_minor_ver;
1434         uint16_t config[4];
1435
1436         qla83xx_idc_lock(vha, 0);
1437
1438         /* SV: TODO: Assign initialization timeout from
1439          * flash-info / other param
1440          */
1441         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
1442         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
1443
1444         /* Set our fcoe function presence */
1445         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
1446                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
1447                     "Error while setting DRV-Presence.\n");
1448                 rval = QLA_FUNCTION_FAILED;
1449                 goto exit;
1450         }
1451
1452         /* Decide the reset ownership */
1453         qla83xx_reset_ownership(vha);
1454
1455         /*
1456          * On first protocol driver load:
1457          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
1458          * register.
1459          * Others: Check compatibility with current IDC Major version.
1460          */
1461         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
1462         if (ha->flags.nic_core_reset_owner) {
1463                 /* Set IDC Major version */
1464                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
1465                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
1466
1467                 /* Clearing IDC-Lock-Recovery register */
1468                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
1469         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
1470                 /*
1471                  * Clear further IDC participation if we are not compatible with
1472                  * the current IDC Major Version.
1473                  */
1474                 ql_log(ql_log_warn, vha, 0xb07d,
1475                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
1476                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
1477                 __qla83xx_clear_drv_presence(vha);
1478                 rval = QLA_FUNCTION_FAILED;
1479                 goto exit;
1480         }
1481         /* Each function sets its supported Minor version. */
1482         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
1483         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
1484         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
1485
1486         if (ha->flags.nic_core_reset_owner) {
1487                 memset(config, 0, sizeof(config));
1488                 if (!qla81xx_get_port_config(vha, config))
1489                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
1490                             QLA8XXX_DEV_READY);
1491         }
1492
1493         rval = qla83xx_idc_state_handler(vha);
1494
1495 exit:
1496         qla83xx_idc_unlock(vha, 0);
1497
1498         return rval;
1499 }
1500
1501 /*
1502 * qla2x00_initialize_adapter
1503 *      Initialize board.
1504 *
1505 * Input:
1506 *      ha = adapter block pointer.
1507 *
1508 * Returns:
1509 *      0 = success
1510 */
1511 int
1512 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
1513 {
1514         int     rval;
1515         struct qla_hw_data *ha = vha->hw;
1516         struct req_que *req = ha->req_q_map[0];
1517
1518         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
1519         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1520
1521         /* Clear adapter flags. */
1522         vha->flags.online = 0;
1523         ha->flags.chip_reset_done = 0;
1524         vha->flags.reset_active = 0;
1525         ha->flags.pci_channel_io_perm_failure = 0;
1526         ha->flags.eeh_busy = 0;
1527         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1528         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1529         atomic_set(&vha->loop_state, LOOP_DOWN);
1530         vha->device_flags = DFLG_NO_CABLE;
1531         vha->dpc_flags = 0;
1532         vha->flags.management_server_logged_in = 0;
1533         vha->marker_needed = 0;
1534         ha->isp_abort_cnt = 0;
1535         ha->beacon_blink_led = 0;
1536
1537         set_bit(0, ha->req_qid_map);
1538         set_bit(0, ha->rsp_qid_map);
1539
1540         ql_dbg(ql_dbg_init, vha, 0x0040,
1541             "Configuring PCI space...\n");
1542         rval = ha->isp_ops->pci_config(vha);
1543         if (rval) {
1544                 ql_log(ql_log_warn, vha, 0x0044,
1545                     "Unable to configure PCI space.\n");
1546                 return (rval);
1547         }
1548
1549         ha->isp_ops->reset_chip(vha);
1550
1551         rval = qla2xxx_get_flash_info(vha);
1552         if (rval) {
1553                 ql_log(ql_log_fatal, vha, 0x004f,
1554                     "Unable to validate FLASH data.\n");
1555                 return rval;
1556         }
1557
1558         if (IS_QLA8044(ha)) {
1559                 qla8044_read_reset_template(vha);
1560
1561                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
1562                  * If DONRESET_BIT0 is set, drivers should not set dev_state
1563                  * to NEED_RESET. But if NEED_RESET is set, drivers should
1564                  * should honor the reset. */
1565                 if (ql2xdontresethba == 1)
1566                         qla8044_set_idc_dontreset(vha);
1567         }
1568
1569         ha->isp_ops->get_flash_version(vha, req->ring);
1570         ql_dbg(ql_dbg_init, vha, 0x0061,
1571             "Configure NVRAM parameters...\n");
1572
1573         ha->isp_ops->nvram_config(vha);
1574
1575         if (ha->flags.disable_serdes) {
1576                 /* Mask HBA via NVRAM settings? */
1577                 ql_log(ql_log_info, vha, 0x0077,
1578                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
1579                 return QLA_FUNCTION_FAILED;
1580         }
1581
1582         ql_dbg(ql_dbg_init, vha, 0x0078,
1583             "Verifying loaded RISC code...\n");
1584
1585         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
1586                 rval = ha->isp_ops->chip_diag(vha);
1587                 if (rval)
1588                         return (rval);
1589                 rval = qla2x00_setup_chip(vha);
1590                 if (rval)
1591                         return (rval);
1592         }
1593
1594         if (IS_QLA84XX(ha)) {
1595                 ha->cs84xx = qla84xx_get_chip(vha);
1596                 if (!ha->cs84xx) {
1597                         ql_log(ql_log_warn, vha, 0x00d0,
1598                             "Unable to configure ISP84XX.\n");
1599                         return QLA_FUNCTION_FAILED;
1600                 }
1601         }
1602
1603         if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
1604                 rval = qla2x00_init_rings(vha);
1605
1606         ha->flags.chip_reset_done = 1;
1607
1608         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
1609                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
1610                 rval = qla84xx_init_chip(vha);
1611                 if (rval != QLA_SUCCESS) {
1612                         ql_log(ql_log_warn, vha, 0x00d4,
1613                             "Unable to initialize ISP84XX.\n");
1614                         qla84xx_put_chip(vha);
1615                 }
1616         }
1617
1618         /* Load the NIC Core f/w if we are the first protocol driver. */
1619         if (IS_QLA8031(ha)) {
1620                 rval = qla83xx_nic_core_fw_load(vha);
1621                 if (rval)
1622                         ql_log(ql_log_warn, vha, 0x0124,
1623                             "Error in initializing NIC Core f/w.\n");
1624         }
1625
1626         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
1627                 qla24xx_read_fcp_prio_cfg(vha);
1628
1629         if (IS_P3P_TYPE(ha))
1630                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
1631         else
1632                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
1633
1634         return (rval);
1635 }
1636
1637 /**
1638  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1639  * @ha: HA context
1640  *
1641  * Returns 0 on success.
1642  */
1643 int
1644 qla2100_pci_config(scsi_qla_host_t *vha)
1645 {
1646         uint16_t w;
1647         unsigned long flags;
1648         struct qla_hw_data *ha = vha->hw;
1649         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1650
1651         pci_set_master(ha->pdev);
1652         pci_try_set_mwi(ha->pdev);
1653
1654         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
1655         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1656         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1657
1658         pci_disable_rom(ha->pdev);
1659
1660         /* Get PCI bus information. */
1661         spin_lock_irqsave(&ha->hardware_lock, flags);
1662         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1663         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1664
1665         return QLA_SUCCESS;
1666 }
1667
1668 /**
1669  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
1670  * @ha: HA context
1671  *
1672  * Returns 0 on success.
1673  */
1674 int
1675 qla2300_pci_config(scsi_qla_host_t *vha)
1676 {
1677         uint16_t        w;
1678         unsigned long   flags = 0;
1679         uint32_t        cnt;
1680         struct qla_hw_data *ha = vha->hw;
1681         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1682
1683         pci_set_master(ha->pdev);
1684         pci_try_set_mwi(ha->pdev);
1685
1686         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
1687         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1688
1689         if (IS_QLA2322(ha) || IS_QLA6322(ha))
1690                 w &= ~PCI_COMMAND_INTX_DISABLE;
1691         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1692
1693         /*
1694          * If this is a 2300 card and not 2312, reset the
1695          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
1696          * the 2310 also reports itself as a 2300 so we need to get the
1697          * fb revision level -- a 6 indicates it really is a 2300 and
1698          * not a 2310.
1699          */
1700         if (IS_QLA2300(ha)) {
1701                 spin_lock_irqsave(&ha->hardware_lock, flags);
1702
1703                 /* Pause RISC. */
1704                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
1705                 for (cnt = 0; cnt < 30000; cnt++) {
1706                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
1707                                 break;
1708
1709                         udelay(10);
1710                 }
1711
1712                 /* Select FPM registers. */
1713                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
1714                 RD_REG_WORD(&reg->ctrl_status);
1715
1716                 /* Get the fb rev level */
1717                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
1718
1719                 if (ha->fb_rev == FPM_2300)
1720                         pci_clear_mwi(ha->pdev);
1721
1722                 /* Deselect FPM registers. */
1723                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
1724                 RD_REG_WORD(&reg->ctrl_status);
1725
1726                 /* Release RISC module. */
1727                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1728                 for (cnt = 0; cnt < 30000; cnt++) {
1729                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
1730                                 break;
1731
1732                         udelay(10);
1733                 }
1734
1735                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1736         }
1737
1738         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
1739
1740         pci_disable_rom(ha->pdev);
1741
1742         /* Get PCI bus information. */
1743         spin_lock_irqsave(&ha->hardware_lock, flags);
1744         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1745         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1746
1747         return QLA_SUCCESS;
1748 }
1749
1750 /**
1751  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
1752  * @ha: HA context
1753  *
1754  * Returns 0 on success.
1755  */
1756 int
1757 qla24xx_pci_config(scsi_qla_host_t *vha)
1758 {
1759         uint16_t w;
1760         unsigned long flags = 0;
1761         struct qla_hw_data *ha = vha->hw;
1762         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1763
1764         pci_set_master(ha->pdev);
1765         pci_try_set_mwi(ha->pdev);
1766
1767         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
1768         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1769         w &= ~PCI_COMMAND_INTX_DISABLE;
1770         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1771
1772         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
1773
1774         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
1775         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
1776                 pcix_set_mmrbc(ha->pdev, 2048);
1777
1778         /* PCIe -- adjust Maximum Read Request Size (2048). */
1779         if (pci_is_pcie(ha->pdev))
1780                 pcie_set_readrq(ha->pdev, 4096);
1781
1782         pci_disable_rom(ha->pdev);
1783
1784         ha->chip_revision = ha->pdev->revision;
1785
1786         /* Get PCI bus information. */
1787         spin_lock_irqsave(&ha->hardware_lock, flags);
1788         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
1789         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1790
1791         return QLA_SUCCESS;
1792 }
1793
1794 /**
1795  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
1796  * @ha: HA context
1797  *
1798  * Returns 0 on success.
1799  */
1800 int
1801 qla25xx_pci_config(scsi_qla_host_t *vha)
1802 {
1803         uint16_t w;
1804         struct qla_hw_data *ha = vha->hw;
1805
1806         pci_set_master(ha->pdev);
1807         pci_try_set_mwi(ha->pdev);
1808
1809         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
1810         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1811         w &= ~PCI_COMMAND_INTX_DISABLE;
1812         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1813
1814         /* PCIe -- adjust Maximum Read Request Size (2048). */
1815         if (pci_is_pcie(ha->pdev))
1816                 pcie_set_readrq(ha->pdev, 4096);
1817
1818         pci_disable_rom(ha->pdev);
1819
1820         ha->chip_revision = ha->pdev->revision;
1821
1822         return QLA_SUCCESS;
1823 }
1824
1825 /**
1826  * qla2x00_isp_firmware() - Choose firmware image.
1827  * @ha: HA context
1828  *
1829  * Returns 0 on success.
1830  */
1831 static int
1832 qla2x00_isp_firmware(scsi_qla_host_t *vha)
1833 {
1834         int  rval;
1835         uint16_t loop_id, topo, sw_cap;
1836         uint8_t domain, area, al_pa;
1837         struct qla_hw_data *ha = vha->hw;
1838
1839         /* Assume loading risc code */
1840         rval = QLA_FUNCTION_FAILED;
1841
1842         if (ha->flags.disable_risc_code_load) {
1843                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
1844
1845                 /* Verify checksum of loaded RISC code. */
1846                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
1847                 if (rval == QLA_SUCCESS) {
1848                         /* And, verify we are not in ROM code. */
1849                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
1850                             &area, &domain, &topo, &sw_cap);
1851                 }
1852         }
1853
1854         if (rval)
1855                 ql_dbg(ql_dbg_init, vha, 0x007a,
1856                     "**** Load RISC code ****.\n");
1857
1858         return (rval);
1859 }
1860
1861 /**
1862  * qla2x00_reset_chip() - Reset ISP chip.
1863  * @ha: HA context
1864  *
1865  * Returns 0 on success.
1866  */
1867 void
1868 qla2x00_reset_chip(scsi_qla_host_t *vha)
1869 {
1870         unsigned long   flags = 0;
1871         struct qla_hw_data *ha = vha->hw;
1872         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1873         uint32_t        cnt;
1874         uint16_t        cmd;
1875
1876         if (unlikely(pci_channel_offline(ha->pdev)))
1877                 return;
1878
1879         ha->isp_ops->disable_intrs(ha);
1880
1881         spin_lock_irqsave(&ha->hardware_lock, flags);
1882
1883         /* Turn off master enable */
1884         cmd = 0;
1885         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
1886         cmd &= ~PCI_COMMAND_MASTER;
1887         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
1888
1889         if (!IS_QLA2100(ha)) {
1890                 /* Pause RISC. */
1891                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
1892                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
1893                         for (cnt = 0; cnt < 30000; cnt++) {
1894                                 if ((RD_REG_WORD(&reg->hccr) &
1895                                     HCCR_RISC_PAUSE) != 0)
1896                                         break;
1897                                 udelay(100);
1898                         }
1899                 } else {
1900                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
1901                         udelay(10);
1902                 }
1903
1904                 /* Select FPM registers. */
1905                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
1906                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1907
1908                 /* FPM Soft Reset. */
1909                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
1910                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
1911
1912                 /* Toggle Fpm Reset. */
1913                 if (!IS_QLA2200(ha)) {
1914                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
1915                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
1916                 }
1917
1918                 /* Select frame buffer registers. */
1919                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
1920                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1921
1922                 /* Reset frame buffer FIFOs. */
1923                 if (IS_QLA2200(ha)) {
1924                         WRT_FB_CMD_REG(ha, reg, 0xa000);
1925                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
1926                 } else {
1927                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
1928
1929                         /* Read back fb_cmd until zero or 3 seconds max */
1930                         for (cnt = 0; cnt < 3000; cnt++) {
1931                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
1932                                         break;
1933                                 udelay(100);
1934                         }
1935                 }
1936
1937                 /* Select RISC module registers. */
1938                 WRT_REG_WORD(&reg->ctrl_status, 0);
1939                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1940
1941                 /* Reset RISC processor. */
1942                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1943                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1944
1945                 /* Release RISC processor. */
1946                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1947                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1948         }
1949
1950         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
1951         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
1952
1953         /* Reset ISP chip. */
1954         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1955
1956         /* Wait for RISC to recover from reset. */
1957         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1958                 /*
1959                  * It is necessary to for a delay here since the card doesn't
1960                  * respond to PCI reads during a reset. On some architectures
1961                  * this will result in an MCA.
1962                  */
1963                 udelay(20);
1964                 for (cnt = 30000; cnt; cnt--) {
1965                         if ((RD_REG_WORD(&reg->ctrl_status) &
1966                             CSR_ISP_SOFT_RESET) == 0)
1967                                 break;
1968                         udelay(100);
1969                 }
1970         } else
1971                 udelay(10);
1972
1973         /* Reset RISC processor. */
1974         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1975
1976         WRT_REG_WORD(&reg->semaphore, 0);
1977
1978         /* Release RISC processor. */
1979         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1980         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
1981
1982         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1983                 for (cnt = 0; cnt < 30000; cnt++) {
1984                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1985                                 break;
1986
1987                         udelay(100);
1988                 }
1989         } else
1990                 udelay(100);
1991
1992         /* Turn on master enable */
1993         cmd |= PCI_COMMAND_MASTER;
1994         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
1995
1996         /* Disable RISC pause on FPM parity error. */
1997         if (!IS_QLA2100(ha)) {
1998                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
1999                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
2000         }
2001
2002         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2003 }
2004
2005 /**
2006  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
2007  *
2008  * Returns 0 on success.
2009  */
2010 static int
2011 qla81xx_reset_mpi(scsi_qla_host_t *vha)
2012 {
2013         uint16_t mb[4] = {0x1010, 0, 1, 0};
2014
2015         if (!IS_QLA81XX(vha->hw))
2016                 return QLA_SUCCESS;
2017
2018         return qla81xx_write_mpi_register(vha, mb);
2019 }
2020
2021 /**
2022  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
2023  * @ha: HA context
2024  *
2025  * Returns 0 on success.
2026  */
2027 static inline int
2028 qla24xx_reset_risc(scsi_qla_host_t *vha)
2029 {
2030         unsigned long flags = 0;
2031         struct qla_hw_data *ha = vha->hw;
2032         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2033         uint32_t cnt;
2034         uint16_t wd;
2035         static int abts_cnt; /* ISP abort retry counts */
2036         int rval = QLA_SUCCESS;
2037
2038         spin_lock_irqsave(&ha->hardware_lock, flags);
2039
2040         /* Reset RISC. */
2041         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2042         for (cnt = 0; cnt < 30000; cnt++) {
2043                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
2044                         break;
2045
2046                 udelay(10);
2047         }
2048
2049         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
2050                 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
2051
2052         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
2053             "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
2054             RD_REG_DWORD(&reg->hccr),
2055             RD_REG_DWORD(&reg->ctrl_status),
2056             (RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
2057
2058         WRT_REG_DWORD(&reg->ctrl_status,
2059             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2060         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2061
2062         udelay(100);
2063
2064         /* Wait for firmware to complete NVRAM accesses. */
2065         RD_REG_WORD(&reg->mailbox0);
2066         for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
2067             rval == QLA_SUCCESS; cnt--) {
2068                 barrier();
2069                 if (cnt)
2070                         udelay(5);
2071                 else
2072                         rval = QLA_FUNCTION_TIMEOUT;
2073         }
2074
2075         if (rval == QLA_SUCCESS)
2076                 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
2077
2078         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
2079             "HCCR: 0x%x, MailBox0 Status 0x%x\n",
2080             RD_REG_DWORD(&reg->hccr),
2081             RD_REG_DWORD(&reg->mailbox0));
2082
2083         /* Wait for soft-reset to complete. */
2084         RD_REG_DWORD(&reg->ctrl_status);
2085         for (cnt = 0; cnt < 60; cnt++) {
2086                 barrier();
2087                 if ((RD_REG_DWORD(&reg->ctrl_status) &
2088                     CSRX_ISP_SOFT_RESET) == 0)
2089                         break;
2090
2091                 udelay(5);
2092         }
2093         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
2094                 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
2095
2096         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
2097             "HCCR: 0x%x, Soft Reset status: 0x%x\n",
2098             RD_REG_DWORD(&reg->hccr),
2099             RD_REG_DWORD(&reg->ctrl_status));
2100
2101         /* If required, do an MPI FW reset now */
2102         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
2103                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
2104                         if (++abts_cnt < 5) {
2105                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2106                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
2107                         } else {
2108                                 /*
2109                                  * We exhausted the ISP abort retries. We have to
2110                                  * set the board offline.
2111                                  */
2112                                 abts_cnt = 0;
2113                                 vha->flags.online = 0;
2114                         }
2115                 }
2116         }
2117
2118         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
2119         RD_REG_DWORD(&reg->hccr);
2120
2121         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
2122         RD_REG_DWORD(&reg->hccr);
2123
2124         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
2125         RD_REG_DWORD(&reg->hccr);
2126
2127         RD_REG_WORD(&reg->mailbox0);
2128         for (cnt = 60; RD_REG_WORD(&reg->mailbox0) != 0 &&
2129             rval == QLA_SUCCESS; cnt--) {
2130                 barrier();
2131                 if (cnt)
2132                         udelay(5);
2133                 else
2134                         rval = QLA_FUNCTION_TIMEOUT;
2135         }
2136         if (rval == QLA_SUCCESS)
2137                 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
2138
2139         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
2140             "Host Risc 0x%x, mailbox0 0x%x\n",
2141             RD_REG_DWORD(&reg->hccr),
2142              RD_REG_WORD(&reg->mailbox0));
2143
2144         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2145
2146         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
2147             "Driver in %s mode\n",
2148             IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
2149
2150         if (IS_NOPOLLING_TYPE(ha))
2151                 ha->isp_ops->enable_intrs(ha);
2152
2153         return rval;
2154 }
2155
2156 static void
2157 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
2158 {
2159         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2160
2161         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2162         *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
2163
2164 }
2165
2166 static void
2167 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
2168 {
2169         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2170
2171         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2172         WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
2173 }
2174
2175 static void
2176 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
2177 {
2178         uint32_t wd32 = 0;
2179         uint delta_msec = 100;
2180         uint elapsed_msec = 0;
2181         uint timeout_msec;
2182         ulong n;
2183
2184         if (vha->hw->pdev->subsystem_device != 0x0175 &&
2185             vha->hw->pdev->subsystem_device != 0x0240)
2186                 return;
2187
2188         WRT_REG_DWORD(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
2189         udelay(100);
2190
2191 attempt:
2192         timeout_msec = TIMEOUT_SEMAPHORE;
2193         n = timeout_msec / delta_msec;
2194         while (n--) {
2195                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
2196                 qla25xx_read_risc_sema_reg(vha, &wd32);
2197                 if (wd32 & RISC_SEMAPHORE)
2198                         break;
2199                 msleep(delta_msec);
2200                 elapsed_msec += delta_msec;
2201                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2202                         goto force;
2203         }
2204
2205         if (!(wd32 & RISC_SEMAPHORE))
2206                 goto force;
2207
2208         if (!(wd32 & RISC_SEMAPHORE_FORCE))
2209                 goto acquired;
2210
2211         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
2212         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
2213         n = timeout_msec / delta_msec;
2214         while (n--) {
2215                 qla25xx_read_risc_sema_reg(vha, &wd32);
2216                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
2217                         break;
2218                 msleep(delta_msec);
2219                 elapsed_msec += delta_msec;
2220                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2221                         goto force;
2222         }
2223
2224         if (wd32 & RISC_SEMAPHORE_FORCE)
2225                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
2226
2227         goto attempt;
2228
2229 force:
2230         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
2231
2232 acquired:
2233         return;
2234 }
2235
2236 /**
2237  * qla24xx_reset_chip() - Reset ISP24xx chip.
2238  * @ha: HA context
2239  *
2240  * Returns 0 on success.
2241  */
2242 void
2243 qla24xx_reset_chip(scsi_qla_host_t *vha)
2244 {
2245         struct qla_hw_data *ha = vha->hw;
2246
2247         if (pci_channel_offline(ha->pdev) &&
2248             ha->flags.pci_channel_io_perm_failure) {
2249                 return;
2250         }
2251
2252         ha->isp_ops->disable_intrs(ha);
2253
2254         qla25xx_manipulate_risc_semaphore(vha);
2255
2256         /* Perform RISC reset. */
2257         qla24xx_reset_risc(vha);
2258 }
2259
2260 /**
2261  * qla2x00_chip_diag() - Test chip for proper operation.
2262  * @ha: HA context
2263  *
2264  * Returns 0 on success.
2265  */
2266 int
2267 qla2x00_chip_diag(scsi_qla_host_t *vha)
2268 {
2269         int             rval;
2270         struct qla_hw_data *ha = vha->hw;
2271         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2272         unsigned long   flags = 0;
2273         uint16_t        data;
2274         uint32_t        cnt;
2275         uint16_t        mb[5];
2276         struct req_que *req = ha->req_q_map[0];
2277
2278         /* Assume a failed state */
2279         rval = QLA_FUNCTION_FAILED;
2280
2281         ql_dbg(ql_dbg_init, vha, 0x007b,
2282             "Testing device at %lx.\n", (u_long)&reg->flash_address);
2283
2284         spin_lock_irqsave(&ha->hardware_lock, flags);
2285
2286         /* Reset ISP chip. */
2287         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2288
2289         /*
2290          * We need to have a delay here since the card will not respond while
2291          * in reset causing an MCA on some architectures.
2292          */
2293         udelay(20);
2294         data = qla2x00_debounce_register(&reg->ctrl_status);
2295         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
2296                 udelay(5);
2297                 data = RD_REG_WORD(&reg->ctrl_status);
2298                 barrier();
2299         }
2300
2301         if (!cnt)
2302                 goto chip_diag_failed;
2303
2304         ql_dbg(ql_dbg_init, vha, 0x007c,
2305             "Reset register cleared by chip reset.\n");
2306
2307         /* Reset RISC processor. */
2308         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2309         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2310
2311         /* Workaround for QLA2312 PCI parity error */
2312         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2313                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
2314                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
2315                         udelay(5);
2316                         data = RD_MAILBOX_REG(ha, reg, 0);
2317                         barrier();
2318                 }
2319         } else
2320                 udelay(10);
2321
2322         if (!cnt)
2323                 goto chip_diag_failed;
2324
2325         /* Check product ID of chip */
2326         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
2327
2328         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
2329         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
2330         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
2331         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
2332         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
2333             mb[3] != PROD_ID_3) {
2334                 ql_log(ql_log_warn, vha, 0x0062,
2335                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
2336                     mb[1], mb[2], mb[3]);
2337
2338                 goto chip_diag_failed;
2339         }
2340         ha->product_id[0] = mb[1];
2341         ha->product_id[1] = mb[2];
2342         ha->product_id[2] = mb[3];
2343         ha->product_id[3] = mb[4];
2344
2345         /* Adjust fw RISC transfer size */
2346         if (req->length > 1024)
2347                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
2348         else
2349                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
2350                     req->length;
2351
2352         if (IS_QLA2200(ha) &&
2353             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
2354                 /* Limit firmware transfer size with a 2200A */
2355                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
2356
2357                 ha->device_type |= DT_ISP2200A;
2358                 ha->fw_transfer_size = 128;
2359         }
2360
2361         /* Wrap Incoming Mailboxes Test. */
2362         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2363
2364         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
2365         rval = qla2x00_mbx_reg_test(vha);
2366         if (rval)
2367                 ql_log(ql_log_warn, vha, 0x0080,
2368                     "Failed mailbox send register test.\n");
2369         else
2370                 /* Flag a successful rval */
2371                 rval = QLA_SUCCESS;
2372         spin_lock_irqsave(&ha->hardware_lock, flags);
2373
2374 chip_diag_failed:
2375         if (rval)
2376                 ql_log(ql_log_info, vha, 0x0081,
2377                     "Chip diagnostics **** FAILED ****.\n");
2378
2379         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2380
2381         return (rval);
2382 }
2383
2384 /**
2385  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
2386  * @ha: HA context
2387  *
2388  * Returns 0 on success.
2389  */
2390 int
2391 qla24xx_chip_diag(scsi_qla_host_t *vha)
2392 {
2393         int rval;
2394         struct qla_hw_data *ha = vha->hw;
2395         struct req_que *req = ha->req_q_map[0];
2396
2397         if (IS_P3P_TYPE(ha))
2398                 return QLA_SUCCESS;
2399
2400         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
2401
2402         rval = qla2x00_mbx_reg_test(vha);
2403         if (rval) {
2404                 ql_log(ql_log_warn, vha, 0x0082,
2405                     "Failed mailbox send register test.\n");
2406         } else {
2407                 /* Flag a successful rval */
2408                 rval = QLA_SUCCESS;
2409         }
2410
2411         return rval;
2412 }
2413
2414 void
2415 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
2416 {
2417         int rval;
2418         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
2419             eft_size, fce_size, mq_size;
2420         dma_addr_t tc_dma;
2421         void *tc;
2422         struct qla_hw_data *ha = vha->hw;
2423         struct req_que *req = ha->req_q_map[0];
2424         struct rsp_que *rsp = ha->rsp_q_map[0];
2425
2426         if (ha->fw_dump) {
2427                 ql_dbg(ql_dbg_init, vha, 0x00bd,
2428                     "Firmware dump already allocated.\n");
2429                 return;
2430         }
2431
2432         ha->fw_dumped = 0;
2433         ha->fw_dump_cap_flags = 0;
2434         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
2435         req_q_size = rsp_q_size = 0;
2436
2437         if (IS_QLA27XX(ha))
2438                 goto try_fce;
2439
2440         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2441                 fixed_size = sizeof(struct qla2100_fw_dump);
2442         } else if (IS_QLA23XX(ha)) {
2443                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
2444                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
2445                     sizeof(uint16_t);
2446         } else if (IS_FWI2_CAPABLE(ha)) {
2447                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha))
2448                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
2449                 else if (IS_QLA81XX(ha))
2450                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
2451                 else if (IS_QLA25XX(ha))
2452                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
2453                 else
2454                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
2455
2456                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
2457                     sizeof(uint32_t);
2458                 if (ha->mqenable) {
2459                         if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
2460                                 mq_size = sizeof(struct qla2xxx_mq_chain);
2461                         /*
2462                          * Allocate maximum buffer size for all queues.
2463                          * Resizing must be done at end-of-dump processing.
2464                          */
2465                         mq_size += ha->max_req_queues *
2466                             (req->length * sizeof(request_t));
2467                         mq_size += ha->max_rsp_queues *
2468                             (rsp->length * sizeof(response_t));
2469                 }
2470                 if (ha->tgt.atio_ring)
2471                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
2472                 /* Allocate memory for Fibre Channel Event Buffer. */
2473                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2474                     !IS_QLA27XX(ha))
2475                         goto try_eft;
2476
2477 try_fce:
2478                 if (ha->fce)
2479                         dma_free_coherent(&ha->pdev->dev,
2480                             FCE_SIZE, ha->fce, ha->fce_dma);
2481
2482                 /* Allocate memory for Fibre Channel Event Buffer. */
2483                 tc = dma_zalloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
2484                                          GFP_KERNEL);
2485                 if (!tc) {
2486                         ql_log(ql_log_warn, vha, 0x00be,
2487                             "Unable to allocate (%d KB) for FCE.\n",
2488                             FCE_SIZE / 1024);
2489                         goto try_eft;
2490                 }
2491
2492                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
2493                     ha->fce_mb, &ha->fce_bufs);
2494                 if (rval) {
2495                         ql_log(ql_log_warn, vha, 0x00bf,
2496                             "Unable to initialize FCE (%d).\n", rval);
2497                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
2498                             tc_dma);
2499                         ha->flags.fce_enabled = 0;
2500                         goto try_eft;
2501                 }
2502                 ql_dbg(ql_dbg_init, vha, 0x00c0,
2503                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
2504
2505                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
2506                 ha->flags.fce_enabled = 1;
2507                 ha->fce_dma = tc_dma;
2508                 ha->fce = tc;
2509
2510 try_eft:
2511                 if (ha->eft)
2512                         dma_free_coherent(&ha->pdev->dev,
2513                             EFT_SIZE, ha->eft, ha->eft_dma);
2514
2515                 /* Allocate memory for Extended Trace Buffer. */
2516                 tc = dma_zalloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
2517                                          GFP_KERNEL);
2518                 if (!tc) {
2519                         ql_log(ql_log_warn, vha, 0x00c1,
2520                             "Unable to allocate (%d KB) for EFT.\n",
2521                             EFT_SIZE / 1024);
2522                         goto cont_alloc;
2523                 }
2524
2525                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
2526                 if (rval) {
2527                         ql_log(ql_log_warn, vha, 0x00c2,
2528                             "Unable to initialize EFT (%d).\n", rval);
2529                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
2530                             tc_dma);
2531                         goto cont_alloc;
2532                 }
2533                 ql_dbg(ql_dbg_init, vha, 0x00c3,
2534                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
2535
2536                 eft_size = EFT_SIZE;
2537                 ha->eft_dma = tc_dma;
2538                 ha->eft = tc;
2539         }
2540
2541 cont_alloc:
2542         if (IS_QLA27XX(ha)) {
2543                 if (!ha->fw_dump_template) {
2544                         ql_log(ql_log_warn, vha, 0x00ba,
2545                             "Failed missing fwdump template\n");
2546                         return;
2547                 }
2548                 dump_size = qla27xx_fwdt_calculate_dump_size(vha);
2549                 ql_dbg(ql_dbg_init, vha, 0x00fa,
2550                     "-> allocating fwdump (%x bytes)...\n", dump_size);
2551                 goto allocate;
2552         }
2553
2554         req_q_size = req->length * sizeof(request_t);
2555         rsp_q_size = rsp->length * sizeof(response_t);
2556         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
2557         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
2558         ha->chain_offset = dump_size;
2559         dump_size += mq_size + fce_size;
2560
2561 allocate:
2562         ha->fw_dump = vmalloc(dump_size);
2563         if (!ha->fw_dump) {
2564                 ql_log(ql_log_warn, vha, 0x00c4,
2565                     "Unable to allocate (%d KB) for firmware dump.\n",
2566                     dump_size / 1024);
2567
2568                 if (ha->fce) {
2569                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2570                             ha->fce_dma);
2571                         ha->fce = NULL;
2572                         ha->fce_dma = 0;
2573                 }
2574
2575                 if (ha->eft) {
2576                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
2577                             ha->eft_dma);
2578                         ha->eft = NULL;
2579                         ha->eft_dma = 0;
2580                 }
2581                 return;
2582         }
2583         ha->fw_dump_len = dump_size;
2584         ql_dbg(ql_dbg_init, vha, 0x00c5,
2585             "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
2586
2587         if (IS_QLA27XX(ha))
2588                 return;
2589
2590         ha->fw_dump->signature[0] = 'Q';
2591         ha->fw_dump->signature[1] = 'L';
2592         ha->fw_dump->signature[2] = 'G';
2593         ha->fw_dump->signature[3] = 'C';
2594         ha->fw_dump->version = htonl(1);
2595
2596         ha->fw_dump->fixed_size = htonl(fixed_size);
2597         ha->fw_dump->mem_size = htonl(mem_size);
2598         ha->fw_dump->req_q_size = htonl(req_q_size);
2599         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
2600
2601         ha->fw_dump->eft_size = htonl(eft_size);
2602         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
2603         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
2604
2605         ha->fw_dump->header_size =
2606             htonl(offsetof(struct qla2xxx_fw_dump, isp));
2607 }
2608
2609 static int
2610 qla81xx_mpi_sync(scsi_qla_host_t *vha)
2611 {
2612 #define MPS_MASK        0xe0
2613         int rval;
2614         uint16_t dc;
2615         uint32_t dw;
2616
2617         if (!IS_QLA81XX(vha->hw))
2618                 return QLA_SUCCESS;
2619
2620         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
2621         if (rval != QLA_SUCCESS) {
2622                 ql_log(ql_log_warn, vha, 0x0105,
2623                     "Unable to acquire semaphore.\n");
2624                 goto done;
2625         }
2626
2627         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
2628         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
2629         if (rval != QLA_SUCCESS) {
2630                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
2631                 goto done_release;
2632         }
2633
2634         dc &= MPS_MASK;
2635         if (dc == (dw & MPS_MASK))
2636                 goto done_release;
2637
2638         dw &= ~MPS_MASK;
2639         dw |= dc;
2640         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
2641         if (rval != QLA_SUCCESS) {
2642                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
2643         }
2644
2645 done_release:
2646         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
2647         if (rval != QLA_SUCCESS) {
2648                 ql_log(ql_log_warn, vha, 0x006d,
2649                     "Unable to release semaphore.\n");
2650         }
2651
2652 done:
2653         return rval;
2654 }
2655
2656 int
2657 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
2658 {
2659         /* Don't try to reallocate the array */
2660         if (req->outstanding_cmds)
2661                 return QLA_SUCCESS;
2662
2663         if (!IS_FWI2_CAPABLE(ha))
2664                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
2665         else {
2666                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
2667                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
2668                 else
2669                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
2670         }
2671
2672         req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
2673             req->num_outstanding_cmds, GFP_KERNEL);
2674
2675         if (!req->outstanding_cmds) {
2676                 /*
2677                  * Try to allocate a minimal size just so we can get through
2678                  * initialization.
2679                  */
2680                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
2681                 req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
2682                     req->num_outstanding_cmds, GFP_KERNEL);
2683
2684                 if (!req->outstanding_cmds) {
2685                         ql_log(ql_log_fatal, NULL, 0x0126,
2686                             "Failed to allocate memory for "
2687                             "outstanding_cmds for req_que %p.\n", req);
2688                         req->num_outstanding_cmds = 0;
2689                         return QLA_FUNCTION_FAILED;
2690                 }
2691         }
2692
2693         return QLA_SUCCESS;
2694 }
2695
2696 /**
2697  * qla2x00_setup_chip() - Load and start RISC firmware.
2698  * @ha: HA context
2699  *
2700  * Returns 0 on success.
2701  */
2702 static int
2703 qla2x00_setup_chip(scsi_qla_host_t *vha)
2704 {
2705         int rval;
2706         uint32_t srisc_address = 0;
2707         struct qla_hw_data *ha = vha->hw;
2708         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2709         unsigned long flags;
2710         uint16_t fw_major_version;
2711
2712         if (IS_P3P_TYPE(ha)) {
2713                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
2714                 if (rval == QLA_SUCCESS) {
2715                         qla2x00_stop_firmware(vha);
2716                         goto enable_82xx_npiv;
2717                 } else
2718                         goto failed;
2719         }
2720
2721         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
2722                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
2723                 spin_lock_irqsave(&ha->hardware_lock, flags);
2724                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
2725                 RD_REG_WORD(&reg->hccr);
2726                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2727         }
2728
2729         qla81xx_mpi_sync(vha);
2730
2731         /* Load firmware sequences */
2732         rval = ha->isp_ops->load_risc(vha, &srisc_address);
2733         if (rval == QLA_SUCCESS) {
2734                 ql_dbg(ql_dbg_init, vha, 0x00c9,
2735                     "Verifying Checksum of loaded RISC code.\n");
2736
2737                 rval = qla2x00_verify_checksum(vha, srisc_address);
2738                 if (rval == QLA_SUCCESS) {
2739                         /* Start firmware execution. */
2740                         ql_dbg(ql_dbg_init, vha, 0x00ca,
2741                             "Starting firmware.\n");
2742
2743                         if (ql2xexlogins)
2744                                 ha->flags.exlogins_enabled = 1;
2745
2746                         if (ql2xexchoffld)
2747                                 ha->flags.exchoffld_enabled = 1;
2748
2749                         rval = qla2x00_execute_fw(vha, srisc_address);
2750                         /* Retrieve firmware information. */
2751                         if (rval == QLA_SUCCESS) {
2752                                 rval = qla2x00_set_exlogins_buffer(vha);
2753                                 if (rval != QLA_SUCCESS)
2754                                         goto failed;
2755
2756                                 rval = qla2x00_set_exchoffld_buffer(vha);
2757                                 if (rval != QLA_SUCCESS)
2758                                         goto failed;
2759
2760 enable_82xx_npiv:
2761                                 fw_major_version = ha->fw_major_version;
2762                                 if (IS_P3P_TYPE(ha))
2763                                         qla82xx_check_md_needed(vha);
2764                                 else
2765                                         rval = qla2x00_get_fw_version(vha);
2766                                 if (rval != QLA_SUCCESS)
2767                                         goto failed;
2768                                 ha->flags.npiv_supported = 0;
2769                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
2770                                          (ha->fw_attributes & BIT_2)) {
2771                                         ha->flags.npiv_supported = 1;
2772                                         if ((!ha->max_npiv_vports) ||
2773                                             ((ha->max_npiv_vports + 1) %
2774                                             MIN_MULTI_ID_FABRIC))
2775                                                 ha->max_npiv_vports =
2776                                                     MIN_MULTI_ID_FABRIC - 1;
2777                                 }
2778                                 qla2x00_get_resource_cnts(vha);
2779
2780                                 /*
2781                                  * Allocate the array of outstanding commands
2782                                  * now that we know the firmware resources.
2783                                  */
2784                                 rval = qla2x00_alloc_outstanding_cmds(ha,
2785                                     vha->req);
2786                                 if (rval != QLA_SUCCESS)
2787                                         goto failed;
2788
2789                                 if (!fw_major_version && ql2xallocfwdump
2790                                     && !(IS_P3P_TYPE(ha)))
2791                                         qla2x00_alloc_fw_dump(vha);
2792                         } else {
2793                                 goto failed;
2794                         }
2795                 } else {
2796                         ql_log(ql_log_fatal, vha, 0x00cd,
2797                             "ISP Firmware failed checksum.\n");
2798                         goto failed;
2799                 }
2800         } else
2801                 goto failed;
2802
2803         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
2804                 /* Enable proper parity. */
2805                 spin_lock_irqsave(&ha->hardware_lock, flags);
2806                 if (IS_QLA2300(ha))
2807                         /* SRAM parity */
2808                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
2809                 else
2810                         /* SRAM, Instruction RAM and GP RAM parity */
2811                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
2812                 RD_REG_WORD(&reg->hccr);
2813                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2814         }
2815
2816         if (IS_QLA27XX(ha))
2817                 ha->flags.fac_supported = 1;
2818         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
2819                 uint32_t size;
2820
2821                 rval = qla81xx_fac_get_sector_size(vha, &size);
2822                 if (rval == QLA_SUCCESS) {
2823                         ha->flags.fac_supported = 1;
2824                         ha->fdt_block_size = size << 2;
2825                 } else {
2826                         ql_log(ql_log_warn, vha, 0x00ce,
2827                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
2828                             ha->fw_major_version, ha->fw_minor_version,
2829                             ha->fw_subminor_version);
2830
2831                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2832                                 ha->flags.fac_supported = 0;
2833                                 rval = QLA_SUCCESS;
2834                         }
2835                 }
2836         }
2837 failed:
2838         if (rval) {
2839                 ql_log(ql_log_fatal, vha, 0x00cf,
2840                     "Setup chip ****FAILED****.\n");
2841         }
2842
2843         return (rval);
2844 }
2845
2846 /**
2847  * qla2x00_init_response_q_entries() - Initializes response queue entries.
2848  * @ha: HA context
2849  *
2850  * Beginning of request ring has initialization control block already built
2851  * by nvram config routine.
2852  *
2853  * Returns 0 on success.
2854  */
2855 void
2856 qla2x00_init_response_q_entries(struct rsp_que *rsp)
2857 {
2858         uint16_t cnt;
2859         response_t *pkt;
2860
2861         rsp->ring_ptr = rsp->ring;
2862         rsp->ring_index    = 0;
2863         rsp->status_srb = NULL;
2864         pkt = rsp->ring_ptr;
2865         for (cnt = 0; cnt < rsp->length; cnt++) {
2866                 pkt->signature = RESPONSE_PROCESSED;
2867                 pkt++;
2868         }
2869 }
2870
2871 /**
2872  * qla2x00_update_fw_options() - Read and process firmware options.
2873  * @ha: HA context
2874  *
2875  * Returns 0 on success.
2876  */
2877 void
2878 qla2x00_update_fw_options(scsi_qla_host_t *vha)
2879 {
2880         uint16_t swing, emphasis, tx_sens, rx_sens;
2881         struct qla_hw_data *ha = vha->hw;
2882
2883         memset(ha->fw_options, 0, sizeof(ha->fw_options));
2884         qla2x00_get_fw_options(vha, ha->fw_options);
2885
2886         if (IS_QLA2100(ha) || IS_QLA2200(ha))
2887                 return;
2888
2889         /* Serial Link options. */
2890         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
2891             "Serial link options.\n");
2892         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
2893             (uint8_t *)&ha->fw_seriallink_options,
2894             sizeof(ha->fw_seriallink_options));
2895
2896         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
2897         if (ha->fw_seriallink_options[3] & BIT_2) {
2898                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
2899
2900                 /*  1G settings */
2901                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
2902                 emphasis = (ha->fw_seriallink_options[2] &
2903                     (BIT_4 | BIT_3)) >> 3;
2904                 tx_sens = ha->fw_seriallink_options[0] &
2905                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2906                 rx_sens = (ha->fw_seriallink_options[0] &
2907                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
2908                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
2909                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2910                         if (rx_sens == 0x0)
2911                                 rx_sens = 0x3;
2912                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
2913                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
2914                         ha->fw_options[10] |= BIT_5 |
2915                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
2916                             (tx_sens & (BIT_1 | BIT_0));
2917
2918                 /*  2G settings */
2919                 swing = (ha->fw_seriallink_options[2] &
2920                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
2921                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
2922                 tx_sens = ha->fw_seriallink_options[1] &
2923                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2924                 rx_sens = (ha->fw_seriallink_options[1] &
2925                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
2926                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
2927                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2928                         if (rx_sens == 0x0)
2929                                 rx_sens = 0x3;
2930                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
2931                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
2932                         ha->fw_options[11] |= BIT_5 |
2933                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
2934                             (tx_sens & (BIT_1 | BIT_0));
2935         }
2936
2937         /* FCP2 options. */
2938         /*  Return command IOCBs without waiting for an ABTS to complete. */
2939         ha->fw_options[3] |= BIT_13;
2940
2941         /* LED scheme. */
2942         if (ha->flags.enable_led_scheme)
2943                 ha->fw_options[2] |= BIT_12;
2944
2945         /* Detect ISP6312. */
2946         if (IS_QLA6312(ha))
2947                 ha->fw_options[2] |= BIT_13;
2948
2949         /* Set Retry FLOGI in case of P2P connection */
2950         if (ha->operating_mode == P2P) {
2951                 ha->fw_options[2] |= BIT_3;
2952                 ql_dbg(ql_dbg_disc, vha, 0x2100,
2953                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
2954                         __func__, ha->fw_options[2]);
2955         }
2956
2957         /* Update firmware options. */
2958         qla2x00_set_fw_options(vha, ha->fw_options);
2959 }
2960
2961 void
2962 qla24xx_update_fw_options(scsi_qla_host_t *vha)
2963 {
2964         int rval;
2965         struct qla_hw_data *ha = vha->hw;
2966
2967         if (IS_P3P_TYPE(ha))
2968                 return;
2969
2970         /*  Hold status IOCBs until ABTS response received. */
2971         if (ql2xfwholdabts)
2972                 ha->fw_options[3] |= BIT_12;
2973
2974         /* Set Retry FLOGI in case of P2P connection */
2975         if (ha->operating_mode == P2P) {
2976                 ha->fw_options[2] |= BIT_3;
2977                 ql_dbg(ql_dbg_disc, vha, 0x2101,
2978                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
2979                         __func__, ha->fw_options[2]);
2980         }
2981
2982         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
2983         if (ql2xmvasynctoatio) {
2984                 if (qla_tgt_mode_enabled(vha) ||
2985                     qla_dual_mode_enabled(vha))
2986                         ha->fw_options[2] |= BIT_11;
2987                 else
2988                         ha->fw_options[2] &= ~BIT_11;
2989         }
2990
2991         ql_dbg(ql_dbg_init, vha, 0xffff,
2992                 "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
2993                 __func__, ha->fw_options[1], ha->fw_options[2],
2994                 ha->fw_options[3], vha->host->active_mode);
2995         qla2x00_set_fw_options(vha, ha->fw_options);
2996
2997         /* Update Serial Link options. */
2998         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
2999                 return;
3000
3001         rval = qla2x00_set_serdes_params(vha,
3002             le16_to_cpu(ha->fw_seriallink_options24[1]),
3003             le16_to_cpu(ha->fw_seriallink_options24[2]),
3004             le16_to_cpu(ha->fw_seriallink_options24[3]));
3005         if (rval != QLA_SUCCESS) {
3006                 ql_log(ql_log_warn, vha, 0x0104,
3007                     "Unable to update Serial Link options (%x).\n", rval);
3008         }
3009 }
3010
3011 void
3012 qla2x00_config_rings(struct scsi_qla_host *vha)
3013 {
3014         struct qla_hw_data *ha = vha->hw;
3015         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3016         struct req_que *req = ha->req_q_map[0];
3017         struct rsp_que *rsp = ha->rsp_q_map[0];
3018
3019         /* Setup ring parameters in initialization control block. */
3020         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
3021         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
3022         ha->init_cb->request_q_length = cpu_to_le16(req->length);
3023         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
3024         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3025         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3026         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3027         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3028
3029         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
3030         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
3031         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
3032         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
3033         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
3034 }
3035
3036 void
3037 qla24xx_config_rings(struct scsi_qla_host *vha)
3038 {
3039         struct qla_hw_data *ha = vha->hw;
3040         device_reg_t *reg = ISP_QUE_REG(ha, 0);
3041         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
3042         struct qla_msix_entry *msix;
3043         struct init_cb_24xx *icb;
3044         uint16_t rid = 0;
3045         struct req_que *req = ha->req_q_map[0];
3046         struct rsp_que *rsp = ha->rsp_q_map[0];
3047
3048         /* Setup ring parameters in initialization control block. */
3049         icb = (struct init_cb_24xx *)ha->init_cb;
3050         icb->request_q_outpointer = cpu_to_le16(0);
3051         icb->response_q_inpointer = cpu_to_le16(0);
3052         icb->request_q_length = cpu_to_le16(req->length);
3053         icb->response_q_length = cpu_to_le16(rsp->length);
3054         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3055         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3056         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3057         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3058
3059         /* Setup ATIO queue dma pointers for target mode */
3060         icb->atio_q_inpointer = cpu_to_le16(0);
3061         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
3062         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
3063         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
3064
3065         if (IS_SHADOW_REG_CAPABLE(ha))
3066                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
3067
3068         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3069                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
3070                 icb->rid = cpu_to_le16(rid);
3071                 if (ha->flags.msix_enabled) {
3072                         msix = &ha->msix_entries[1];
3073                         ql_dbg(ql_dbg_init, vha, 0x00fd,
3074                             "Registering vector 0x%x for base que.\n",
3075                             msix->entry);
3076                         icb->msix = cpu_to_le16(msix->entry);
3077                 }
3078                 /* Use alternate PCI bus number */
3079                 if (MSB(rid))
3080                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
3081                 /* Use alternate PCI devfn */
3082                 if (LSB(rid))
3083                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
3084
3085                 /* Use Disable MSIX Handshake mode for capable adapters */
3086                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
3087                     (ha->flags.msix_enabled)) {
3088                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
3089                         ha->flags.disable_msix_handshake = 1;
3090                         ql_dbg(ql_dbg_init, vha, 0x00fe,
3091                             "MSIX Handshake Disable Mode turned on.\n");
3092                 } else {
3093                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
3094                 }
3095                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
3096
3097                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
3098                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
3099                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
3100                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
3101         } else {
3102                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
3103                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
3104                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
3105                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
3106         }
3107         qlt_24xx_config_rings(vha);
3108
3109         /* PCI posting */
3110         RD_REG_DWORD(&ioreg->hccr);
3111 }
3112
3113 /**
3114  * qla2x00_init_rings() - Initializes firmware.
3115  * @ha: HA context
3116  *
3117  * Beginning of request ring has initialization control block already built
3118  * by nvram config routine.
3119  *
3120  * Returns 0 on success.
3121  */
3122 int
3123 qla2x00_init_rings(scsi_qla_host_t *vha)
3124 {
3125         int     rval;
3126         unsigned long flags = 0;
3127         int cnt, que;
3128         struct qla_hw_data *ha = vha->hw;
3129         struct req_que *req;
3130         struct rsp_que *rsp;
3131         struct mid_init_cb_24xx *mid_init_cb =
3132             (struct mid_init_cb_24xx *) ha->init_cb;
3133
3134         spin_lock_irqsave(&ha->hardware_lock, flags);
3135
3136         /* Clear outstanding commands array. */
3137         for (que = 0; que < ha->max_req_queues; que++) {
3138                 req = ha->req_q_map[que];
3139                 if (!req || !test_bit(que, ha->req_qid_map))
3140                         continue;
3141                 req->out_ptr = (void *)(req->ring + req->length);
3142                 *req->out_ptr = 0;
3143                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
3144                         req->outstanding_cmds[cnt] = NULL;
3145
3146                 req->current_outstanding_cmd = 1;
3147
3148                 /* Initialize firmware. */
3149                 req->ring_ptr  = req->ring;
3150                 req->ring_index    = 0;
3151                 req->cnt      = req->length;
3152         }
3153
3154         for (que = 0; que < ha->max_rsp_queues; que++) {
3155                 rsp = ha->rsp_q_map[que];
3156                 if (!rsp || !test_bit(que, ha->rsp_qid_map))
3157                         continue;
3158                 rsp->in_ptr = (void *)(rsp->ring + rsp->length);
3159                 *rsp->in_ptr = 0;
3160                 /* Initialize response queue entries */
3161                 if (IS_QLAFX00(ha))
3162                         qlafx00_init_response_q_entries(rsp);
3163                 else
3164                         qla2x00_init_response_q_entries(rsp);
3165         }
3166
3167         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
3168         ha->tgt.atio_ring_index = 0;
3169         /* Initialize ATIO queue entries */
3170         qlt_init_atio_q_entries(vha);
3171
3172         ha->isp_ops->config_rings(vha);
3173
3174         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3175
3176         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
3177
3178         if (IS_QLAFX00(ha)) {
3179                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
3180                 goto next_check;
3181         }
3182
3183         /* Update any ISP specific firmware options before initialization. */
3184         ha->isp_ops->update_fw_options(vha);
3185
3186         if (ha->flags.npiv_supported) {
3187                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
3188                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
3189                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
3190         }
3191
3192         if (IS_FWI2_CAPABLE(ha)) {
3193                 mid_init_cb->options = cpu_to_le16(BIT_1);
3194                 mid_init_cb->init_cb.execution_throttle =
3195                     cpu_to_le16(ha->cur_fw_xcb_count);
3196                 ha->flags.dport_enabled =
3197                     (mid_init_cb->init_cb.firmware_options_1 & BIT_7) != 0;
3198                 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
3199                     (ha->flags.dport_enabled) ? "enabled" : "disabled");
3200                 /* FA-WWPN Status */
3201                 ha->flags.fawwpn_enabled =
3202                     (mid_init_cb->init_cb.firmware_options_1 & BIT_6) != 0;
3203                 ql_dbg(ql_dbg_init, vha, 0x0141, "FA-WWPN Support: %s.\n",
3204                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
3205         }
3206
3207         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
3208 next_check:
3209         if (rval) {
3210                 ql_log(ql_log_fatal, vha, 0x00d2,
3211                     "Init Firmware **** FAILED ****.\n");
3212         } else {
3213                 ql_dbg(ql_dbg_init, vha, 0x00d3,
3214                     "Init Firmware -- success.\n");
3215         }
3216
3217         return (rval);
3218 }
3219
3220 /**
3221  * qla2x00_fw_ready() - Waits for firmware ready.
3222  * @ha: HA context
3223  *
3224  * Returns 0 on success.
3225  */
3226 static int
3227 qla2x00_fw_ready(scsi_qla_host_t *vha)
3228 {
3229         int             rval;
3230         unsigned long   wtime, mtime, cs84xx_time;
3231         uint16_t        min_wait;       /* Minimum wait time if loop is down */
3232         uint16_t        wait_time;      /* Wait time if loop is coming ready */
3233         uint16_t        state[6];
3234         struct qla_hw_data *ha = vha->hw;
3235
3236         if (IS_QLAFX00(vha->hw))
3237                 return qlafx00_fw_ready(vha);
3238
3239         rval = QLA_SUCCESS;
3240
3241         /* Time to wait for loop down */
3242         if (IS_P3P_TYPE(ha))
3243                 min_wait = 30;
3244         else
3245                 min_wait = 20;
3246
3247         /*
3248          * Firmware should take at most one RATOV to login, plus 5 seconds for
3249          * our own processing.
3250          */
3251         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
3252                 wait_time = min_wait;
3253         }
3254
3255         /* Min wait time if loop down */
3256         mtime = jiffies + (min_wait * HZ);
3257
3258         /* wait time before firmware ready */
3259         wtime = jiffies + (wait_time * HZ);
3260
3261         /* Wait for ISP to finish LIP */
3262         if (!vha->flags.init_done)
3263                 ql_log(ql_log_info, vha, 0x801e,
3264                     "Waiting for LIP to complete.\n");
3265
3266         do {
3267                 memset(state, -1, sizeof(state));
3268                 rval = qla2x00_get_firmware_state(vha, state);
3269                 if (rval == QLA_SUCCESS) {
3270                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
3271                                 vha->device_flags &= ~DFLG_NO_CABLE;
3272                         }
3273                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
3274                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
3275                                     "fw_state=%x 84xx=%x.\n", state[0],
3276                                     state[2]);
3277                                 if ((state[2] & FSTATE_LOGGED_IN) &&
3278                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
3279                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
3280                                             "Sending verify iocb.\n");
3281
3282                                         cs84xx_time = jiffies;
3283                                         rval = qla84xx_init_chip(vha);
3284                                         if (rval != QLA_SUCCESS) {
3285                                                 ql_log(ql_log_warn,
3286                                                     vha, 0x8007,
3287                                                     "Init chip failed.\n");
3288                                                 break;
3289                                         }
3290
3291                                         /* Add time taken to initialize. */
3292                                         cs84xx_time = jiffies - cs84xx_time;
3293                                         wtime += cs84xx_time;
3294                                         mtime += cs84xx_time;
3295                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
3296                                             "Increasing wait time by %ld. "
3297                                             "New time %ld.\n", cs84xx_time,
3298                                             wtime);
3299                                 }
3300                         } else if (state[0] == FSTATE_READY) {
3301                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
3302                                     "F/W Ready - OK.\n");
3303
3304                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
3305                                     &ha->login_timeout, &ha->r_a_tov);
3306
3307                                 rval = QLA_SUCCESS;
3308                                 break;
3309                         }
3310
3311                         rval = QLA_FUNCTION_FAILED;
3312
3313                         if (atomic_read(&vha->loop_down_timer) &&
3314                             state[0] != FSTATE_READY) {
3315                                 /* Loop down. Timeout on min_wait for states
3316                                  * other than Wait for Login.
3317                                  */
3318                                 if (time_after_eq(jiffies, mtime)) {
3319                                         ql_log(ql_log_info, vha, 0x8038,
3320                                             "Cable is unplugged...\n");
3321
3322                                         vha->device_flags |= DFLG_NO_CABLE;
3323                                         break;
3324                                 }
3325                         }
3326                 } else {
3327                         /* Mailbox cmd failed. Timeout on min_wait. */
3328                         if (time_after_eq(jiffies, mtime) ||
3329                                 ha->flags.isp82xx_fw_hung)
3330                                 break;
3331                 }
3332
3333                 if (time_after_eq(jiffies, wtime))
3334                         break;
3335
3336                 /* Delay for a while */
3337                 msleep(500);
3338         } while (1);
3339
3340         ql_dbg(ql_dbg_taskm, vha, 0x803a,
3341             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
3342             state[1], state[2], state[3], state[4], state[5], jiffies);
3343
3344         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
3345                 ql_log(ql_log_warn, vha, 0x803b,
3346                     "Firmware ready **** FAILED ****.\n");
3347         }
3348
3349         return (rval);
3350 }
3351
3352 /*
3353 *  qla2x00_configure_hba
3354 *      Setup adapter context.
3355 *
3356 * Input:
3357 *      ha = adapter state pointer.
3358 *
3359 * Returns:
3360 *      0 = success
3361 *
3362 * Context:
3363 *      Kernel context.
3364 */
3365 static int
3366 qla2x00_configure_hba(scsi_qla_host_t *vha)
3367 {
3368         int       rval;
3369         uint16_t      loop_id;
3370         uint16_t      topo;
3371         uint16_t      sw_cap;
3372         uint8_t       al_pa;
3373         uint8_t       area;
3374         uint8_t       domain;
3375         char            connect_type[22];
3376         struct qla_hw_data *ha = vha->hw;
3377         unsigned long flags;
3378         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
3379
3380         /* Get host addresses. */
3381         rval = qla2x00_get_adapter_id(vha,
3382             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
3383         if (rval != QLA_SUCCESS) {
3384                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
3385                     IS_CNA_CAPABLE(ha) ||
3386                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
3387                         ql_dbg(ql_dbg_disc, vha, 0x2008,
3388                             "Loop is in a transition state.\n");
3389                 } else {
3390                         ql_log(ql_log_warn, vha, 0x2009,
3391                             "Unable to get host loop ID.\n");
3392                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
3393                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
3394                                 ql_log(ql_log_warn, vha, 0x1151,
3395                                     "Doing link init.\n");
3396                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
3397                                         return rval;
3398                         }
3399                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3400                 }
3401                 return (rval);
3402         }
3403
3404         if (topo == 4) {
3405                 ql_log(ql_log_info, vha, 0x200a,
3406                     "Cannot get topology - retrying.\n");
3407                 return (QLA_FUNCTION_FAILED);
3408         }
3409
3410         vha->loop_id = loop_id;
3411
3412         /* initialize */
3413         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
3414         ha->operating_mode = LOOP;
3415         ha->switch_cap = 0;
3416
3417         switch (topo) {
3418         case 0:
3419                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
3420                 ha->current_topology = ISP_CFG_NL;
3421                 strcpy(connect_type, "(Loop)");
3422                 break;
3423
3424         case 1:
3425                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
3426                 ha->switch_cap = sw_cap;
3427                 ha->current_topology = ISP_CFG_FL;
3428                 strcpy(connect_type, "(FL_Port)");
3429                 break;
3430
3431         case 2:
3432                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
3433                 ha->operating_mode = P2P;
3434                 ha->current_topology = ISP_CFG_N;
3435                 strcpy(connect_type, "(N_Port-to-N_Port)");
3436                 break;
3437
3438         case 3:
3439                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
3440                 ha->switch_cap = sw_cap;
3441                 ha->operating_mode = P2P;
3442                 ha->current_topology = ISP_CFG_F;
3443                 strcpy(connect_type, "(F_Port)");
3444                 break;
3445
3446         default:
3447                 ql_dbg(ql_dbg_disc, vha, 0x200f,
3448                     "HBA in unknown topology %x, using NL.\n", topo);
3449                 ha->current_topology = ISP_CFG_NL;
3450                 strcpy(connect_type, "(Loop)");
3451                 break;
3452         }
3453
3454         /* Save Host port and loop ID. */
3455         /* byte order - Big Endian */
3456         vha->d_id.b.domain = domain;
3457         vha->d_id.b.area = area;
3458         vha->d_id.b.al_pa = al_pa;
3459
3460         spin_lock_irqsave(&ha->vport_slock, flags);
3461         qlt_update_vp_map(vha, SET_AL_PA);
3462         spin_unlock_irqrestore(&ha->vport_slock, flags);
3463
3464         if (!vha->flags.init_done)
3465                 ql_log(ql_log_info, vha, 0x2010,
3466                     "Topology - %s, Host Loop address 0x%x.\n",
3467                     connect_type, vha->loop_id);
3468
3469         return(rval);
3470 }
3471
3472 inline void
3473 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
3474         char *def)
3475 {
3476         char *st, *en;
3477         uint16_t index;
3478         struct qla_hw_data *ha = vha->hw;
3479         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
3480             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
3481
3482         if (memcmp(model, BINZERO, len) != 0) {
3483                 strncpy(ha->model_number, model, len);
3484                 st = en = ha->model_number;
3485                 en += len - 1;
3486                 while (en > st) {
3487                         if (*en != 0x20 && *en != 0x00)
3488                                 break;
3489                         *en-- = '\0';
3490                 }
3491
3492                 index = (ha->pdev->subsystem_device & 0xff);
3493                 if (use_tbl &&
3494                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
3495                     index < QLA_MODEL_NAMES)
3496                         strncpy(ha->model_desc,
3497                             qla2x00_model_name[index * 2 + 1],
3498                             sizeof(ha->model_desc) - 1);
3499         } else {
3500                 index = (ha->pdev->subsystem_device & 0xff);
3501                 if (use_tbl &&
3502                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
3503                     index < QLA_MODEL_NAMES) {
3504                         strcpy(ha->model_number,
3505                             qla2x00_model_name[index * 2]);
3506                         strncpy(ha->model_desc,
3507                             qla2x00_model_name[index * 2 + 1],
3508                             sizeof(ha->model_desc) - 1);
3509                 } else {
3510                         strcpy(ha->model_number, def);
3511                 }
3512         }
3513         if (IS_FWI2_CAPABLE(ha))
3514                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
3515                     sizeof(ha->model_desc));
3516 }
3517
3518 /* On sparc systems, obtain port and node WWN from firmware
3519  * properties.
3520  */
3521 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
3522 {
3523 #ifdef CONFIG_SPARC
3524         struct qla_hw_data *ha = vha->hw;
3525         struct pci_dev *pdev = ha->pdev;
3526         struct device_node *dp = pci_device_to_OF_node(pdev);
3527         const u8 *val;
3528         int len;
3529
3530         val = of_get_property(dp, "port-wwn", &len);
3531         if (val && len >= WWN_SIZE)
3532                 memcpy(nv->port_name, val, WWN_SIZE);
3533
3534         val = of_get_property(dp, "node-wwn", &len);
3535         if (val && len >= WWN_SIZE)
3536                 memcpy(nv->node_name, val, WWN_SIZE);
3537 #endif
3538 }
3539
3540 /*
3541 * NVRAM configuration for ISP 2xxx
3542 *
3543 * Input:
3544 *      ha                = adapter block pointer.
3545 *
3546 * Output:
3547 *      initialization control block in response_ring
3548 *      host adapters parameters in host adapter block
3549 *
3550 * Returns:
3551 *      0 = success.
3552 */
3553 int
3554 qla2x00_nvram_config(scsi_qla_host_t *vha)
3555 {
3556         int             rval;
3557         uint8_t         chksum = 0;
3558         uint16_t        cnt;
3559         uint8_t         *dptr1, *dptr2;
3560         struct qla_hw_data *ha = vha->hw;
3561         init_cb_t       *icb = ha->init_cb;
3562         nvram_t         *nv = ha->nvram;
3563         uint8_t         *ptr = ha->nvram;
3564         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3565
3566         rval = QLA_SUCCESS;
3567
3568         /* Determine NVRAM starting address. */
3569         ha->nvram_size = sizeof(nvram_t);
3570         ha->nvram_base = 0;
3571         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
3572                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
3573                         ha->nvram_base = 0x80;
3574
3575         /* Get NVRAM data and calculate checksum. */
3576         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
3577         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
3578                 chksum += *ptr++;
3579
3580         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
3581             "Contents of NVRAM.\n");
3582         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
3583             (uint8_t *)nv, ha->nvram_size);
3584
3585         /* Bad NVRAM data, set defaults parameters. */
3586         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
3587             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
3588                 /* Reset NVRAM data. */
3589                 ql_log(ql_log_warn, vha, 0x0064,
3590                     "Inconsistent NVRAM "
3591                     "detected: checksum=0x%x id=%c version=0x%x.\n",
3592                     chksum, nv->id[0], nv->nvram_version);
3593                 ql_log(ql_log_warn, vha, 0x0065,
3594                     "Falling back to "
3595                     "functioning (yet invalid -- WWPN) defaults.\n");
3596
3597                 /*
3598                  * Set default initialization control block.
3599                  */
3600                 memset(nv, 0, ha->nvram_size);
3601                 nv->parameter_block_version = ICB_VERSION;
3602
3603                 if (IS_QLA23XX(ha)) {
3604                         nv->firmware_options[0] = BIT_2 | BIT_1;
3605                         nv->firmware_options[1] = BIT_7 | BIT_5;
3606                         nv->add_firmware_options[0] = BIT_5;
3607                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
3608                         nv->frame_payload_size = 2048;
3609                         nv->special_options[1] = BIT_7;
3610                 } else if (IS_QLA2200(ha)) {
3611                         nv->firmware_options[0] = BIT_2 | BIT_1;
3612                         nv->firmware_options[1] = BIT_7 | BIT_5;
3613                         nv->add_firmware_options[0] = BIT_5;
3614                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
3615                         nv->frame_payload_size = 1024;
3616                 } else if (IS_QLA2100(ha)) {
3617                         nv->firmware_options[0] = BIT_3 | BIT_1;
3618                         nv->firmware_options[1] = BIT_5;
3619                         nv->frame_payload_size = 1024;
3620                 }
3621
3622                 nv->max_iocb_allocation = cpu_to_le16(256);
3623                 nv->execution_throttle = cpu_to_le16(16);
3624                 nv->retry_count = 8;
3625                 nv->retry_delay = 1;
3626
3627                 nv->port_name[0] = 33;
3628                 nv->port_name[3] = 224;
3629                 nv->port_name[4] = 139;
3630
3631                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
3632
3633                 nv->login_timeout = 4;
3634
3635                 /*
3636                  * Set default host adapter parameters
3637                  */
3638                 nv->host_p[1] = BIT_2;
3639                 nv->reset_delay = 5;
3640                 nv->port_down_retry_count = 8;
3641                 nv->max_luns_per_target = cpu_to_le16(8);
3642                 nv->link_down_timeout = 60;
3643
3644                 rval = 1;
3645         }
3646
3647 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
3648         /*
3649          * The SN2 does not provide BIOS emulation which means you can't change
3650          * potentially bogus BIOS settings. Force the use of default settings
3651          * for link rate and frame size.  Hope that the rest of the settings
3652          * are valid.
3653          */
3654         if (ia64_platform_is("sn2")) {
3655                 nv->frame_payload_size = 2048;
3656                 if (IS_QLA23XX(ha))
3657                         nv->special_options[1] = BIT_7;
3658         }
3659 #endif
3660
3661         /* Reset Initialization control block */
3662         memset(icb, 0, ha->init_cb_size);
3663
3664         /*
3665          * Setup driver NVRAM options.
3666          */
3667         nv->firmware_options[0] |= (BIT_6 | BIT_1);
3668         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
3669         nv->firmware_options[1] |= (BIT_5 | BIT_0);
3670         nv->firmware_options[1] &= ~BIT_4;
3671
3672         if (IS_QLA23XX(ha)) {
3673                 nv->firmware_options[0] |= BIT_2;
3674                 nv->firmware_options[0] &= ~BIT_3;
3675                 nv->special_options[0] &= ~BIT_6;
3676                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
3677
3678                 if (IS_QLA2300(ha)) {
3679                         if (ha->fb_rev == FPM_2310) {
3680                                 strcpy(ha->model_number, "QLA2310");
3681                         } else {
3682                                 strcpy(ha->model_number, "QLA2300");
3683                         }
3684                 } else {
3685                         qla2x00_set_model_info(vha, nv->model_number,
3686                             sizeof(nv->model_number), "QLA23xx");
3687                 }
3688         } else if (IS_QLA2200(ha)) {
3689                 nv->firmware_options[0] |= BIT_2;
3690                 /*
3691                  * 'Point-to-point preferred, else loop' is not a safe
3692                  * connection mode setting.
3693                  */
3694                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
3695                     (BIT_5 | BIT_4)) {
3696                         /* Force 'loop preferred, else point-to-point'. */
3697                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
3698                         nv->add_firmware_options[0] |= BIT_5;
3699                 }
3700                 strcpy(ha->model_number, "QLA22xx");
3701         } else /*if (IS_QLA2100(ha))*/ {
3702                 strcpy(ha->model_number, "QLA2100");
3703         }
3704
3705         /*
3706          * Copy over NVRAM RISC parameter block to initialization control block.
3707          */
3708         dptr1 = (uint8_t *)icb;
3709         dptr2 = (uint8_t *)&nv->parameter_block_version;
3710         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
3711         while (cnt--)
3712                 *dptr1++ = *dptr2++;
3713
3714         /* Copy 2nd half. */
3715         dptr1 = (uint8_t *)icb->add_firmware_options;
3716         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
3717         while (cnt--)
3718                 *dptr1++ = *dptr2++;
3719
3720         /* Use alternate WWN? */
3721         if (nv->host_p[1] & BIT_7) {
3722                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3723                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3724         }
3725
3726         /* Prepare nodename */
3727         if ((icb->firmware_options[1] & BIT_6) == 0) {
3728                 /*
3729                  * Firmware will apply the following mask if the nodename was
3730                  * not provided.
3731                  */
3732                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3733                 icb->node_name[0] &= 0xF0;
3734         }
3735
3736         /*
3737          * Set host adapter parameters.
3738          */
3739
3740         /*
3741          * BIT_7 in the host-parameters section allows for modification to
3742          * internal driver logging.
3743          */
3744         if (nv->host_p[0] & BIT_7)
3745                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
3746         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
3747         /* Always load RISC code on non ISP2[12]00 chips. */
3748         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
3749                 ha->flags.disable_risc_code_load = 0;
3750         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
3751         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
3752         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
3753         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
3754         ha->flags.disable_serdes = 0;
3755
3756         ha->operating_mode =
3757             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
3758
3759         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
3760             sizeof(ha->fw_seriallink_options));
3761
3762         /* save HBA serial number */
3763         ha->serial0 = icb->port_name[5];
3764         ha->serial1 = icb->port_name[6];
3765         ha->serial2 = icb->port_name[7];
3766         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3767         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
3768
3769         icb->execution_throttle = cpu_to_le16(0xFFFF);
3770
3771         ha->retry_count = nv->retry_count;
3772
3773         /* Set minimum login_timeout to 4 seconds. */
3774         if (nv->login_timeout != ql2xlogintimeout)
3775                 nv->login_timeout = ql2xlogintimeout;
3776         if (nv->login_timeout < 4)
3777                 nv->login_timeout = 4;
3778         ha->login_timeout = nv->login_timeout;
3779
3780         /* Set minimum RATOV to 100 tenths of a second. */
3781         ha->r_a_tov = 100;
3782
3783         ha->loop_reset_delay = nv->reset_delay;
3784
3785         /* Link Down Timeout = 0:
3786          *
3787          *      When Port Down timer expires we will start returning
3788          *      I/O's to OS with "DID_NO_CONNECT".
3789          *
3790          * Link Down Timeout != 0:
3791          *
3792          *       The driver waits for the link to come up after link down
3793          *       before returning I/Os to OS with "DID_NO_CONNECT".
3794          */
3795         if (nv->link_down_timeout == 0) {
3796                 ha->loop_down_abort_time =
3797                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3798         } else {
3799                 ha->link_down_timeout =  nv->link_down_timeout;
3800                 ha->loop_down_abort_time =
3801                     (LOOP_DOWN_TIME - ha->link_down_timeout);
3802         }
3803
3804         /*
3805          * Need enough time to try and get the port back.
3806          */
3807         ha->port_down_retry_count = nv->port_down_retry_count;
3808         if (qlport_down_retry)
3809                 ha->port_down_retry_count = qlport_down_retry;
3810         /* Set login_retry_count */
3811         ha->login_retry_count  = nv->retry_count;
3812         if (ha->port_down_retry_count == nv->port_down_retry_count &&
3813             ha->port_down_retry_count > 3)
3814                 ha->login_retry_count = ha->port_down_retry_count;
3815         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3816                 ha->login_retry_count = ha->port_down_retry_count;
3817         if (ql2xloginretrycount)
3818                 ha->login_retry_count = ql2xloginretrycount;
3819
3820         icb->lun_enables = cpu_to_le16(0);
3821         icb->command_resource_count = 0;
3822         icb->immediate_notify_resource_count = 0;
3823         icb->timeout = cpu_to_le16(0);
3824
3825         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3826                 /* Enable RIO */
3827                 icb->firmware_options[0] &= ~BIT_3;
3828                 icb->add_firmware_options[0] &=
3829                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
3830                 icb->add_firmware_options[0] |= BIT_2;
3831                 icb->response_accumulation_timer = 3;
3832                 icb->interrupt_delay_timer = 5;
3833
3834                 vha->flags.process_response_queue = 1;
3835         } else {
3836                 /* Enable ZIO. */
3837                 if (!vha->flags.init_done) {
3838                         ha->zio_mode = icb->add_firmware_options[0] &
3839                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3840                         ha->zio_timer = icb->interrupt_delay_timer ?
3841                             icb->interrupt_delay_timer: 2;
3842                 }
3843                 icb->add_firmware_options[0] &=
3844                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
3845                 vha->flags.process_response_queue = 0;
3846                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3847                         ha->zio_mode = QLA_ZIO_MODE_6;
3848
3849                         ql_log(ql_log_info, vha, 0x0068,
3850                             "ZIO mode %d enabled; timer delay (%d us).\n",
3851                             ha->zio_mode, ha->zio_timer * 100);
3852
3853                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
3854                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
3855                         vha->flags.process_response_queue = 1;
3856                 }
3857         }
3858
3859         if (rval) {
3860                 ql_log(ql_log_warn, vha, 0x0069,
3861                     "NVRAM configuration failed.\n");
3862         }
3863         return (rval);
3864 }
3865
3866 static void
3867 qla2x00_rport_del(void *data)
3868 {
3869         fc_port_t *fcport = data;
3870         struct fc_rport *rport;
3871         unsigned long flags;
3872
3873         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3874         rport = fcport->drport ? fcport->drport: fcport->rport;
3875         fcport->drport = NULL;
3876         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3877         if (rport) {
3878                 ql_dbg(ql_dbg_disc, fcport->vha, 0xffff,
3879                         "%s %8phN. rport %p roles %x \n",
3880                         __func__, fcport->port_name, rport,
3881                         rport->roles);
3882
3883                 fc_remote_port_delete(rport);
3884         }
3885 }
3886
3887 /**
3888  * qla2x00_alloc_fcport() - Allocate a generic fcport.
3889  * @ha: HA context
3890  * @flags: allocation flags
3891  *
3892  * Returns a pointer to the allocated fcport, or NULL, if none available.
3893  */
3894 fc_port_t *
3895 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
3896 {
3897         fc_port_t *fcport;
3898
3899         fcport = kzalloc(sizeof(fc_port_t), flags);
3900         if (!fcport)
3901                 return NULL;
3902
3903         /* Setup fcport template structure. */
3904         fcport->vha = vha;
3905         fcport->port_type = FCT_UNKNOWN;
3906         fcport->loop_id = FC_NO_LOOP_ID;
3907         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
3908         fcport->supported_classes = FC_COS_UNSPECIFIED;
3909
3910         fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
3911                 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
3912                 flags);
3913         fcport->disc_state = DSC_DELETED;
3914         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
3915         fcport->deleted = QLA_SESS_DELETED;
3916         fcport->login_retry = vha->hw->login_retry_count;
3917         fcport->login_retry = 5;
3918         fcport->logout_on_delete = 1;
3919
3920         if (!fcport->ct_desc.ct_sns) {
3921                 ql_log(ql_log_warn, vha, 0xffff,
3922                     "Failed to allocate ct_sns request.\n");
3923                 kfree(fcport);
3924                 fcport = NULL;
3925         }
3926         INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
3927         INIT_LIST_HEAD(&fcport->gnl_entry);
3928         INIT_LIST_HEAD(&fcport->list);
3929
3930         return fcport;
3931 }
3932
3933 void
3934 qla2x00_free_fcport(fc_port_t *fcport)
3935 {
3936         if (fcport->ct_desc.ct_sns) {
3937                 dma_free_coherent(&fcport->vha->hw->pdev->dev,
3938                         sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
3939                         fcport->ct_desc.ct_sns_dma);
3940
3941                 fcport->ct_desc.ct_sns = NULL;
3942         }
3943         kfree(fcport);
3944 }
3945
3946 /*
3947  * qla2x00_configure_loop
3948  *      Updates Fibre Channel Device Database with what is actually on loop.
3949  *
3950  * Input:
3951  *      ha                = adapter block pointer.
3952  *
3953  * Returns:
3954  *      0 = success.
3955  *      1 = error.
3956  *      2 = database was full and device was not configured.
3957  */
3958 static int
3959 qla2x00_configure_loop(scsi_qla_host_t *vha)
3960 {
3961         int  rval;
3962         unsigned long flags, save_flags;
3963         struct qla_hw_data *ha = vha->hw;
3964         rval = QLA_SUCCESS;
3965
3966         /* Get Initiator ID */
3967         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
3968                 rval = qla2x00_configure_hba(vha);
3969                 if (rval != QLA_SUCCESS) {
3970                         ql_dbg(ql_dbg_disc, vha, 0x2013,
3971                             "Unable to configure HBA.\n");
3972                         return (rval);
3973                 }
3974         }
3975
3976         save_flags = flags = vha->dpc_flags;
3977         ql_dbg(ql_dbg_disc, vha, 0x2014,
3978             "Configure loop -- dpc flags = 0x%lx.\n", flags);
3979
3980         /*
3981          * If we have both an RSCN and PORT UPDATE pending then handle them
3982          * both at the same time.
3983          */
3984         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3985         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
3986
3987         qla2x00_get_data_rate(vha);
3988
3989         /* Determine what we need to do */
3990         if (ha->current_topology == ISP_CFG_FL &&
3991             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
3992
3993                 set_bit(RSCN_UPDATE, &flags);
3994
3995         } else if (ha->current_topology == ISP_CFG_F &&
3996             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
3997
3998                 set_bit(RSCN_UPDATE, &flags);
3999                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
4000
4001         } else if (ha->current_topology == ISP_CFG_N) {
4002                 clear_bit(RSCN_UPDATE, &flags);
4003         } else if (ha->current_topology == ISP_CFG_NL) {
4004                 clear_bit(RSCN_UPDATE, &flags);
4005                 set_bit(LOCAL_LOOP_UPDATE, &flags);
4006         } else if (!vha->flags.online ||
4007             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
4008                 set_bit(RSCN_UPDATE, &flags);
4009                 set_bit(LOCAL_LOOP_UPDATE, &flags);
4010         }
4011
4012         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
4013                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4014                         ql_dbg(ql_dbg_disc, vha, 0x2015,
4015                             "Loop resync needed, failing.\n");
4016                         rval = QLA_FUNCTION_FAILED;
4017                 } else
4018                         rval = qla2x00_configure_local_loop(vha);
4019         }
4020
4021         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
4022                 if (LOOP_TRANSITION(vha)) {
4023                         ql_dbg(ql_dbg_disc, vha, 0x201e,
4024                             "Needs RSCN update and loop transition.\n");
4025                         rval = QLA_FUNCTION_FAILED;
4026                 }
4027                 else
4028                         rval = qla2x00_configure_fabric(vha);
4029         }
4030
4031         if (rval == QLA_SUCCESS) {
4032                 if (atomic_read(&vha->loop_down_timer) ||
4033                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4034                         rval = QLA_FUNCTION_FAILED;
4035                 } else {
4036                         atomic_set(&vha->loop_state, LOOP_READY);
4037                         ql_dbg(ql_dbg_disc, vha, 0x2069,
4038                             "LOOP READY.\n");
4039
4040                         /*
4041                          * Process any ATIO queue entries that came in
4042                          * while we weren't online.
4043                          */
4044                         if (qla_tgt_mode_enabled(vha) ||
4045                             qla_dual_mode_enabled(vha)) {
4046                                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha)) {
4047                                         spin_lock_irqsave(&ha->tgt.atio_lock,
4048                                             flags);
4049                                         qlt_24xx_process_atio_queue(vha, 0);
4050                                         spin_unlock_irqrestore(
4051                                             &ha->tgt.atio_lock, flags);
4052                                 } else {
4053                                         spin_lock_irqsave(&ha->hardware_lock,
4054                                             flags);
4055                                         qlt_24xx_process_atio_queue(vha, 1);
4056                                         spin_unlock_irqrestore(
4057                                             &ha->hardware_lock, flags);
4058                                 }
4059                         }
4060                 }
4061         }
4062
4063         if (rval) {
4064                 ql_dbg(ql_dbg_disc, vha, 0x206a,
4065                     "%s *** FAILED ***.\n", __func__);
4066         } else {
4067                 ql_dbg(ql_dbg_disc, vha, 0x206b,
4068                     "%s: exiting normally.\n", __func__);
4069         }
4070
4071         /* Restore state if a resync event occurred during processing */
4072         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4073                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
4074                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4075                 if (test_bit(RSCN_UPDATE, &save_flags)) {
4076                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
4077                 }
4078         }
4079
4080         return (rval);
4081 }
4082
4083
4084
4085 /*
4086  * qla2x00_configure_local_loop
4087  *      Updates Fibre Channel Device Database with local loop devices.
4088  *
4089  * Input:
4090  *      ha = adapter block pointer.
4091  *
4092  * Returns:
4093  *      0 = success.
4094  */
4095 static int
4096 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
4097 {
4098         int             rval, rval2;
4099         int             found_devs;
4100         int             found;
4101         fc_port_t       *fcport, *new_fcport;
4102
4103         uint16_t        index;
4104         uint16_t        entries;
4105         char            *id_iter;
4106         uint16_t        loop_id;
4107         uint8_t         domain, area, al_pa;
4108         struct qla_hw_data *ha = vha->hw;
4109         unsigned long flags;
4110
4111         found_devs = 0;
4112         new_fcport = NULL;
4113         entries = MAX_FIBRE_DEVICES_LOOP;
4114
4115         /* Get list of logged in devices. */
4116         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
4117         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
4118             &entries);
4119         if (rval != QLA_SUCCESS)
4120                 goto cleanup_allocation;
4121
4122         ql_dbg(ql_dbg_disc, vha, 0x2017,
4123             "Entries in ID list (%d).\n", entries);
4124         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
4125             (uint8_t *)ha->gid_list,
4126             entries * sizeof(struct gid_list_info));
4127
4128         /* Allocate temporary fcport for any new fcports discovered. */
4129         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4130         if (new_fcport == NULL) {
4131                 ql_log(ql_log_warn, vha, 0x2018,
4132                     "Memory allocation failed for fcport.\n");
4133                 rval = QLA_MEMORY_ALLOC_FAILED;
4134                 goto cleanup_allocation;
4135         }
4136         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
4137
4138         /*
4139          * Mark local devices that were present with FCF_DEVICE_LOST for now.
4140          */
4141         list_for_each_entry(fcport, &vha->vp_fcports, list) {
4142                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
4143                     fcport->port_type != FCT_BROADCAST &&
4144                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
4145
4146                         ql_dbg(ql_dbg_disc, vha, 0x2019,
4147                             "Marking port lost loop_id=0x%04x.\n",
4148                             fcport->loop_id);
4149
4150                         qla2x00_mark_device_lost(vha, fcport, 0, 0);
4151                 }
4152         }
4153
4154         /* Add devices to port list. */
4155         id_iter = (char *)ha->gid_list;
4156         for (index = 0; index < entries; index++) {
4157                 domain = ((struct gid_list_info *)id_iter)->domain;
4158                 area = ((struct gid_list_info *)id_iter)->area;
4159                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
4160                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
4161                         loop_id = (uint16_t)
4162                             ((struct gid_list_info *)id_iter)->loop_id_2100;
4163                 else
4164                         loop_id = le16_to_cpu(
4165                             ((struct gid_list_info *)id_iter)->loop_id);
4166                 id_iter += ha->gid_list_info_size;
4167
4168                 /* Bypass reserved domain fields. */
4169                 if ((domain & 0xf0) == 0xf0)
4170                         continue;
4171
4172                 /* Bypass if not same domain and area of adapter. */
4173                 if (area && domain &&
4174                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
4175                         continue;
4176
4177                 /* Bypass invalid local loop ID. */
4178                 if (loop_id > LAST_LOCAL_LOOP_ID)
4179                         continue;
4180
4181                 memset(new_fcport->port_name, 0, WWN_SIZE);
4182
4183                 /* Fill in member data. */
4184                 new_fcport->d_id.b.domain = domain;
4185                 new_fcport->d_id.b.area = area;
4186                 new_fcport->d_id.b.al_pa = al_pa;
4187                 new_fcport->loop_id = loop_id;
4188
4189                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
4190                 if (rval2 != QLA_SUCCESS) {
4191                         ql_dbg(ql_dbg_disc, vha, 0x201a,
4192                             "Failed to retrieve fcport information "
4193                             "-- get_port_database=%x, loop_id=0x%04x.\n",
4194                             rval2, new_fcport->loop_id);
4195                         ql_dbg(ql_dbg_disc, vha, 0x201b,
4196                             "Scheduling resync.\n");
4197                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4198                         continue;
4199                 }
4200
4201                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4202                 /* Check for matching device in port list. */
4203                 found = 0;
4204                 fcport = NULL;
4205                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4206                         if (memcmp(new_fcport->port_name, fcport->port_name,
4207                             WWN_SIZE))
4208                                 continue;
4209
4210                         fcport->flags &= ~FCF_FABRIC_DEVICE;
4211                         fcport->loop_id = new_fcport->loop_id;
4212                         fcport->port_type = new_fcport->port_type;
4213                         fcport->d_id.b24 = new_fcport->d_id.b24;
4214                         memcpy(fcport->node_name, new_fcport->node_name,
4215                             WWN_SIZE);
4216
4217                         if (!fcport->login_succ) {
4218                                 vha->fcport_count++;
4219                                 fcport->login_succ = 1;
4220                                 fcport->disc_state = DSC_LOGIN_COMPLETE;
4221                         }
4222
4223                         found++;
4224                         break;
4225                 }
4226
4227                 if (!found) {
4228                         /* New device, add to fcports list. */
4229                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
4230
4231                         /* Allocate a new replacement fcport. */
4232                         fcport = new_fcport;
4233                         if (!fcport->login_succ) {
4234                                 vha->fcport_count++;
4235                                 fcport->login_succ = 1;
4236                                 fcport->disc_state = DSC_LOGIN_COMPLETE;
4237                         }
4238
4239                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4240
4241                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4242
4243                         if (new_fcport == NULL) {
4244                                 ql_log(ql_log_warn, vha, 0x201c,
4245                                     "Failed to allocate memory for fcport.\n");
4246                                 rval = QLA_MEMORY_ALLOC_FAILED;
4247                                 goto cleanup_allocation;
4248                         }
4249                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4250                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
4251                 }
4252
4253                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4254
4255                 /* Base iIDMA settings on HBA port speed. */
4256                 fcport->fp_speed = ha->link_data_rate;
4257
4258                 qla2x00_update_fcport(vha, fcport);
4259
4260                 found_devs++;
4261         }
4262
4263 cleanup_allocation:
4264         kfree(new_fcport);
4265
4266         if (rval != QLA_SUCCESS) {
4267                 ql_dbg(ql_dbg_disc, vha, 0x201d,
4268                     "Configure local loop error exit: rval=%x.\n", rval);
4269         }
4270
4271         return (rval);
4272 }
4273
4274 static void
4275 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
4276 {
4277         int rval;
4278         uint16_t mb[MAILBOX_REGISTER_COUNT];
4279         struct qla_hw_data *ha = vha->hw;
4280
4281         if (!IS_IIDMA_CAPABLE(ha))
4282                 return;
4283
4284         if (atomic_read(&fcport->state) != FCS_ONLINE)
4285                 return;
4286
4287         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
4288             fcport->fp_speed > ha->link_data_rate)
4289                 return;
4290
4291         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
4292             mb);
4293         if (rval != QLA_SUCCESS) {
4294                 ql_dbg(ql_dbg_disc, vha, 0x2004,
4295                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
4296                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
4297         } else {
4298                 ql_dbg(ql_dbg_disc, vha, 0x2005,
4299                     "iIDMA adjusted to %s GB/s on %8phN.\n",
4300                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
4301                     fcport->port_name);
4302         }
4303 }
4304
4305 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
4306 static void
4307 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
4308 {
4309         struct fc_rport_identifiers rport_ids;
4310         struct fc_rport *rport;
4311         unsigned long flags;
4312
4313         rport_ids.node_name = wwn_to_u64(fcport->node_name);
4314         rport_ids.port_name = wwn_to_u64(fcport->port_name);
4315         rport_ids.port_id = fcport->d_id.b.domain << 16 |
4316             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
4317         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
4318         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
4319         if (!rport) {
4320                 ql_log(ql_log_warn, vha, 0x2006,
4321                     "Unable to allocate fc remote port.\n");
4322                 return;
4323         }
4324
4325         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4326         *((fc_port_t **)rport->dd_data) = fcport;
4327         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4328
4329         rport->supported_classes = fcport->supported_classes;
4330
4331         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
4332         if (fcport->port_type == FCT_INITIATOR)
4333                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
4334         if (fcport->port_type == FCT_TARGET)
4335                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
4336
4337         ql_dbg(ql_dbg_disc, vha, 0xffff,
4338                 "%s %8phN. rport %p is %s mode \n",
4339                 __func__, fcport->port_name, rport,
4340                 (fcport->port_type == FCT_TARGET) ? "tgt" : "ini");
4341
4342         fc_remote_port_rolechg(rport, rport_ids.roles);
4343 }
4344
4345 /*
4346  * qla2x00_update_fcport
4347  *      Updates device on list.
4348  *
4349  * Input:
4350  *      ha = adapter block pointer.
4351  *      fcport = port structure pointer.
4352  *
4353  * Return:
4354  *      0  - Success
4355  *  BIT_0 - error
4356  *
4357  * Context:
4358  *      Kernel context.
4359  */
4360 void
4361 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
4362 {
4363         fcport->vha = vha;
4364
4365         if (IS_SW_RESV_ADDR(fcport->d_id))
4366                 return;
4367
4368         ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %8phC \n",
4369             __func__, fcport->port_name);
4370
4371         if (IS_QLAFX00(vha->hw)) {
4372                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
4373                 goto reg_port;
4374         }
4375         fcport->login_retry = 0;
4376         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4377         fcport->disc_state = DSC_LOGIN_COMPLETE;
4378         fcport->deleted = 0;
4379         fcport->logout_on_delete = 1;
4380
4381         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
4382         qla2x00_iidma_fcport(vha, fcport);
4383         qla24xx_update_fcport_fcp_prio(vha, fcport);
4384
4385 reg_port:
4386         switch (vha->host->active_mode) {
4387         case MODE_INITIATOR:
4388                 qla2x00_reg_remote_port(vha, fcport);
4389                 break;
4390         case MODE_TARGET:
4391                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
4392                         !vha->vha_tgt.qla_tgt->tgt_stopped)
4393                         qlt_fc_port_added(vha, fcport);
4394                 break;
4395         case MODE_DUAL:
4396                 qla2x00_reg_remote_port(vha, fcport);
4397                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
4398                         !vha->vha_tgt.qla_tgt->tgt_stopped)
4399                         qlt_fc_port_added(vha, fcport);
4400                 break;
4401         default:
4402                 break;
4403         }
4404 }
4405
4406 /*
4407  * qla2x00_configure_fabric
4408  *      Setup SNS devices with loop ID's.
4409  *
4410  * Input:
4411  *      ha = adapter block pointer.
4412  *
4413  * Returns:
4414  *      0 = success.
4415  *      BIT_0 = error
4416  */
4417 static int
4418 qla2x00_configure_fabric(scsi_qla_host_t *vha)
4419 {
4420         int     rval;
4421         fc_port_t       *fcport;
4422         uint16_t        mb[MAILBOX_REGISTER_COUNT];
4423         uint16_t        loop_id;
4424         LIST_HEAD(new_fcports);
4425         struct qla_hw_data *ha = vha->hw;
4426         int             discovery_gen;
4427
4428         /* If FL port exists, then SNS is present */
4429         if (IS_FWI2_CAPABLE(ha))
4430                 loop_id = NPH_F_PORT;
4431         else
4432                 loop_id = SNS_FL_PORT;
4433         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
4434         if (rval != QLA_SUCCESS) {
4435                 ql_dbg(ql_dbg_disc, vha, 0x201f,
4436                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
4437
4438                 vha->device_flags &= ~SWITCH_FOUND;
4439                 return (QLA_SUCCESS);
4440         }
4441         vha->device_flags |= SWITCH_FOUND;
4442
4443
4444         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
4445                 rval = qla2x00_send_change_request(vha, 0x3, 0);
4446                 if (rval != QLA_SUCCESS)
4447                         ql_log(ql_log_warn, vha, 0x121,
4448                                 "Failed to enable receiving of RSCN requests: 0x%x.\n",
4449                                 rval);
4450         }
4451
4452
4453         do {
4454                 qla2x00_mgmt_svr_login(vha);
4455
4456                 /* FDMI support. */
4457                 if (ql2xfdmienable &&
4458                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
4459                         qla2x00_fdmi_register(vha);
4460
4461                 /* Ensure we are logged into the SNS. */
4462                 if (IS_FWI2_CAPABLE(ha))
4463                         loop_id = NPH_SNS;
4464                 else
4465                         loop_id = SIMPLE_NAME_SERVER;
4466                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
4467                     0xfc, mb, BIT_1|BIT_0);
4468                 if (rval != QLA_SUCCESS) {
4469                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4470                         return rval;
4471                 }
4472                 if (mb[0] != MBS_COMMAND_COMPLETE) {
4473                         ql_dbg(ql_dbg_disc, vha, 0x2042,
4474                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
4475                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
4476                             mb[2], mb[6], mb[7]);
4477                         return (QLA_SUCCESS);
4478                 }
4479
4480                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
4481                         if (qla2x00_rft_id(vha)) {
4482                                 /* EMPTY */
4483                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
4484                                     "Register FC-4 TYPE failed.\n");
4485                         }
4486                         if (qla2x00_rff_id(vha)) {
4487                                 /* EMPTY */
4488                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
4489                                     "Register FC-4 Features failed.\n");
4490                         }
4491                         if (qla2x00_rnn_id(vha)) {
4492                                 /* EMPTY */
4493                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
4494                                     "Register Node Name failed.\n");
4495                         } else if (qla2x00_rsnn_nn(vha)) {
4496                                 /* EMPTY */
4497                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
4498                                     "Register Symobilic Node Name failed.\n");
4499                         }
4500                 }
4501
4502                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4503                         fcport->scan_state = QLA_FCPORT_SCAN;
4504                 }
4505
4506                 /* Mark the time right before querying FW for connected ports.
4507                  * This process is long, asynchronous and by the time it's done,
4508                  * collected information might not be accurate anymore. E.g.
4509                  * disconnected port might have re-connected and a brand new
4510                  * session has been created. In this case session's generation
4511                  * will be newer than discovery_gen. */
4512                 qlt_do_generation_tick(vha, &discovery_gen);
4513
4514                 rval = qla2x00_find_all_fabric_devs(vha);
4515                 if (rval != QLA_SUCCESS)
4516                         break;
4517         } while (0);
4518
4519         if (rval)
4520                 ql_dbg(ql_dbg_disc, vha, 0x2068,
4521                     "Configure fabric error exit rval=%d.\n", rval);
4522
4523         return (rval);
4524 }
4525
4526 /*
4527  * qla2x00_find_all_fabric_devs
4528  *
4529  * Input:
4530  *      ha = adapter block pointer.
4531  *      dev = database device entry pointer.
4532  *
4533  * Returns:
4534  *      0 = success.
4535  *
4536  * Context:
4537  *      Kernel context.
4538  */
4539 static int
4540 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
4541 {
4542         int             rval;
4543         uint16_t        loop_id;
4544         fc_port_t       *fcport, *new_fcport;
4545         int             found;
4546
4547         sw_info_t       *swl;
4548         int             swl_idx;
4549         int             first_dev, last_dev;
4550         port_id_t       wrap = {}, nxt_d_id;
4551         struct qla_hw_data *ha = vha->hw;
4552         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4553         unsigned long flags;
4554
4555         rval = QLA_SUCCESS;
4556
4557         /* Try GID_PT to get device list, else GAN. */
4558         if (!ha->swl)
4559                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
4560                     GFP_KERNEL);
4561         swl = ha->swl;
4562         if (!swl) {
4563                 /*EMPTY*/
4564                 ql_dbg(ql_dbg_disc, vha, 0x2054,
4565                     "GID_PT allocations failed, fallback on GA_NXT.\n");
4566         } else {
4567                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
4568                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
4569                         swl = NULL;
4570                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
4571                         swl = NULL;
4572                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
4573                         swl = NULL;
4574                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
4575                         swl = NULL;
4576                 }
4577
4578                 /* If other queries succeeded probe for FC-4 type */
4579                 if (swl)
4580                         qla2x00_gff_id(vha, swl);
4581         }
4582         swl_idx = 0;
4583
4584         /* Allocate temporary fcport for any new fcports discovered. */
4585         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4586         if (new_fcport == NULL) {
4587                 ql_log(ql_log_warn, vha, 0x205e,
4588                     "Failed to allocate memory for fcport.\n");
4589                 return (QLA_MEMORY_ALLOC_FAILED);
4590         }
4591         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
4592         /* Set start port ID scan at adapter ID. */
4593         first_dev = 1;
4594         last_dev = 0;
4595
4596         /* Starting free loop ID. */
4597         loop_id = ha->min_external_loopid;
4598         for (; loop_id <= ha->max_loop_id; loop_id++) {
4599                 if (qla2x00_is_reserved_id(vha, loop_id))
4600                         continue;
4601
4602                 if (ha->current_topology == ISP_CFG_FL &&
4603                     (atomic_read(&vha->loop_down_timer) ||
4604                      LOOP_TRANSITION(vha))) {
4605                         atomic_set(&vha->loop_down_timer, 0);
4606                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4607                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4608                         break;
4609                 }
4610
4611                 if (swl != NULL) {
4612                         if (last_dev) {
4613                                 wrap.b24 = new_fcport->d_id.b24;
4614                         } else {
4615                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
4616                                 memcpy(new_fcport->node_name,
4617                                     swl[swl_idx].node_name, WWN_SIZE);
4618                                 memcpy(new_fcport->port_name,
4619                                     swl[swl_idx].port_name, WWN_SIZE);
4620                                 memcpy(new_fcport->fabric_port_name,
4621                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
4622                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
4623                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
4624
4625                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
4626                                         last_dev = 1;
4627                                 }
4628                                 swl_idx++;
4629                         }
4630                 } else {
4631                         /* Send GA_NXT to the switch */
4632                         rval = qla2x00_ga_nxt(vha, new_fcport);
4633                         if (rval != QLA_SUCCESS) {
4634                                 ql_log(ql_log_warn, vha, 0x2064,
4635                                     "SNS scan failed -- assuming "
4636                                     "zero-entry result.\n");
4637                                 rval = QLA_SUCCESS;
4638                                 break;
4639                         }
4640                 }
4641
4642                 /* If wrap on switch device list, exit. */
4643                 if (first_dev) {
4644                         wrap.b24 = new_fcport->d_id.b24;
4645                         first_dev = 0;
4646                 } else if (new_fcport->d_id.b24 == wrap.b24) {
4647                         ql_dbg(ql_dbg_disc, vha, 0x2065,
4648                             "Device wrap (%02x%02x%02x).\n",
4649                             new_fcport->d_id.b.domain,
4650                             new_fcport->d_id.b.area,
4651                             new_fcport->d_id.b.al_pa);
4652                         break;
4653                 }
4654
4655                 /* Bypass if same physical adapter. */
4656                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
4657                         continue;
4658
4659                 /* Bypass virtual ports of the same host. */
4660                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
4661                         continue;
4662
4663                 /* Bypass if same domain and area of adapter. */
4664                 if (((new_fcport->d_id.b24 & 0xffff00) ==
4665                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
4666                         ISP_CFG_FL)
4667                             continue;
4668
4669                 /* Bypass reserved domain fields. */
4670                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
4671                         continue;
4672
4673                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
4674                 if (ql2xgffidenable &&
4675                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
4676                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
4677                         continue;
4678
4679                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4680
4681                 /* Locate matching device in database. */
4682                 found = 0;
4683                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4684                         if (memcmp(new_fcport->port_name, fcport->port_name,
4685                             WWN_SIZE))
4686                                 continue;
4687
4688                         fcport->scan_state = QLA_FCPORT_FOUND;
4689
4690                         found++;
4691
4692                         /* Update port state. */
4693                         memcpy(fcport->fabric_port_name,
4694                             new_fcport->fabric_port_name, WWN_SIZE);
4695                         fcport->fp_speed = new_fcport->fp_speed;
4696
4697                         /*
4698                          * If address the same and state FCS_ONLINE
4699                          * (or in target mode), nothing changed.
4700                          */
4701                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
4702                             (atomic_read(&fcport->state) == FCS_ONLINE ||
4703                              (vha->host->active_mode == MODE_TARGET))) {
4704                                 break;
4705                         }
4706
4707                         /*
4708                          * If device was not a fabric device before.
4709                          */
4710                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
4711                                 fcport->d_id.b24 = new_fcport->d_id.b24;
4712                                 qla2x00_clear_loop_id(fcport);
4713                                 fcport->flags |= (FCF_FABRIC_DEVICE |
4714                                     FCF_LOGIN_NEEDED);
4715                                 break;
4716                         }
4717
4718                         /*
4719                          * Port ID changed or device was marked to be updated;
4720                          * Log it out if still logged in and mark it for
4721                          * relogin later.
4722                          */
4723                         if (qla_tgt_mode_enabled(base_vha)) {
4724                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
4725                                          "port changed FC ID, %8phC"
4726                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
4727                                          fcport->port_name,
4728                                          fcport->d_id.b.domain,
4729                                          fcport->d_id.b.area,
4730                                          fcport->d_id.b.al_pa,
4731                                          fcport->loop_id,
4732                                          new_fcport->d_id.b.domain,
4733                                          new_fcport->d_id.b.area,
4734                                          new_fcport->d_id.b.al_pa);
4735                                 fcport->d_id.b24 = new_fcport->d_id.b24;
4736                                 break;
4737                         }
4738
4739                         fcport->d_id.b24 = new_fcport->d_id.b24;
4740                         fcport->flags |= FCF_LOGIN_NEEDED;
4741                         break;
4742                 }
4743
4744                 if (found) {
4745                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4746                         continue;
4747                 }
4748                 /* If device was not in our fcports list, then add it. */
4749                 new_fcport->scan_state = QLA_FCPORT_FOUND;
4750                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
4751
4752                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4753
4754
4755                 /* Allocate a new replacement fcport. */
4756                 nxt_d_id.b24 = new_fcport->d_id.b24;
4757                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4758                 if (new_fcport == NULL) {
4759                         ql_log(ql_log_warn, vha, 0x2066,
4760                             "Memory allocation failed for fcport.\n");
4761                         return (QLA_MEMORY_ALLOC_FAILED);
4762                 }
4763                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
4764                 new_fcport->d_id.b24 = nxt_d_id.b24;
4765         }
4766
4767         qla2x00_free_fcport(new_fcport);
4768
4769         /*
4770          * Logout all previous fabric dev marked lost, except FCP2 devices.
4771          */
4772         list_for_each_entry(fcport, &vha->vp_fcports, list) {
4773                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4774                         break;
4775
4776                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
4777                     (fcport->flags & FCF_LOGIN_NEEDED) == 0)
4778                         continue;
4779
4780                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
4781                         if ((qla_dual_mode_enabled(vha) ||
4782                             qla_ini_mode_enabled(vha)) &&
4783                             atomic_read(&fcport->state) == FCS_ONLINE) {
4784                                 qla2x00_mark_device_lost(vha, fcport,
4785                                         ql2xplogiabsentdevice, 0);
4786                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
4787                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
4788                                     fcport->port_type != FCT_INITIATOR &&
4789                                     fcport->port_type != FCT_BROADCAST) {
4790                                         ql_dbg(ql_dbg_disc, vha, 0xffff,
4791                                             "%s %d %8phC post del sess\n",
4792                                             __func__, __LINE__,
4793                                             fcport->port_name);
4794
4795                                         qlt_schedule_sess_for_deletion_lock
4796                                                 (fcport);
4797                                         continue;
4798                                 }
4799                         }
4800                 }
4801
4802                 if (fcport->scan_state == QLA_FCPORT_FOUND)
4803                         qla24xx_fcport_handle_login(vha, fcport);
4804         }
4805         return (rval);
4806 }
4807
4808 /*
4809  * qla2x00_find_new_loop_id
4810  *      Scan through our port list and find a new usable loop ID.
4811  *
4812  * Input:
4813  *      ha:     adapter state pointer.
4814  *      dev:    port structure pointer.
4815  *
4816  * Returns:
4817  *      qla2x00 local function return status code.
4818  *
4819  * Context:
4820  *      Kernel context.
4821  */
4822 int
4823 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
4824 {
4825         int     rval;
4826         struct qla_hw_data *ha = vha->hw;
4827         unsigned long flags = 0;
4828
4829         rval = QLA_SUCCESS;
4830
4831         spin_lock_irqsave(&ha->vport_slock, flags);
4832
4833         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
4834             LOOPID_MAP_SIZE);
4835         if (dev->loop_id >= LOOPID_MAP_SIZE ||
4836             qla2x00_is_reserved_id(vha, dev->loop_id)) {
4837                 dev->loop_id = FC_NO_LOOP_ID;
4838                 rval = QLA_FUNCTION_FAILED;
4839         } else
4840                 set_bit(dev->loop_id, ha->loop_id_map);
4841
4842         spin_unlock_irqrestore(&ha->vport_slock, flags);
4843
4844         if (rval == QLA_SUCCESS)
4845                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
4846                     "Assigning new loopid=%x, portid=%x.\n",
4847                     dev->loop_id, dev->d_id.b24);
4848         else
4849                 ql_log(ql_log_warn, dev->vha, 0x2087,
4850                     "No loop_id's available, portid=%x.\n",
4851                     dev->d_id.b24);
4852
4853         return (rval);
4854 }
4855
4856
4857 /*
4858  * qla2x00_fabric_login
4859  *      Issue fabric login command.
4860  *
4861  * Input:
4862  *      ha = adapter block pointer.
4863  *      device = pointer to FC device type structure.
4864  *
4865  * Returns:
4866  *      0 - Login successfully
4867  *      1 - Login failed
4868  *      2 - Initiator device
4869  *      3 - Fatal error
4870  */
4871 int
4872 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
4873     uint16_t *next_loopid)
4874 {
4875         int     rval;
4876         int     retry;
4877         uint16_t tmp_loopid;
4878         uint16_t mb[MAILBOX_REGISTER_COUNT];
4879         struct qla_hw_data *ha = vha->hw;
4880
4881         retry = 0;
4882         tmp_loopid = 0;
4883
4884         for (;;) {
4885                 ql_dbg(ql_dbg_disc, vha, 0x2000,
4886                     "Trying Fabric Login w/loop id 0x%04x for port "
4887                     "%02x%02x%02x.\n",
4888                     fcport->loop_id, fcport->d_id.b.domain,
4889                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
4890
4891                 /* Login fcport on switch. */
4892                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
4893                     fcport->d_id.b.domain, fcport->d_id.b.area,
4894                     fcport->d_id.b.al_pa, mb, BIT_0);
4895                 if (rval != QLA_SUCCESS) {
4896                         return rval;
4897                 }
4898                 if (mb[0] == MBS_PORT_ID_USED) {
4899                         /*
4900                          * Device has another loop ID.  The firmware team
4901                          * recommends the driver perform an implicit login with
4902                          * the specified ID again. The ID we just used is save
4903                          * here so we return with an ID that can be tried by
4904                          * the next login.
4905                          */
4906                         retry++;
4907                         tmp_loopid = fcport->loop_id;
4908                         fcport->loop_id = mb[1];
4909
4910                         ql_dbg(ql_dbg_disc, vha, 0x2001,
4911                             "Fabric Login: port in use - next loop "
4912                             "id=0x%04x, port id= %02x%02x%02x.\n",
4913                             fcport->loop_id, fcport->d_id.b.domain,
4914                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
4915
4916                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
4917                         /*
4918                          * Login succeeded.
4919                          */
4920                         if (retry) {
4921                                 /* A retry occurred before. */
4922                                 *next_loopid = tmp_loopid;
4923                         } else {
4924                                 /*
4925                                  * No retry occurred before. Just increment the
4926                                  * ID value for next login.
4927                                  */
4928                                 *next_loopid = (fcport->loop_id + 1);
4929                         }
4930
4931                         if (mb[1] & BIT_0) {
4932                                 fcport->port_type = FCT_INITIATOR;
4933                         } else {
4934                                 fcport->port_type = FCT_TARGET;
4935                                 if (mb[1] & BIT_1) {
4936                                         fcport->flags |= FCF_FCP2_DEVICE;
4937                                 }
4938                         }
4939
4940                         if (mb[10] & BIT_0)
4941                                 fcport->supported_classes |= FC_COS_CLASS2;
4942                         if (mb[10] & BIT_1)
4943                                 fcport->supported_classes |= FC_COS_CLASS3;
4944
4945                         if (IS_FWI2_CAPABLE(ha)) {
4946                                 if (mb[10] & BIT_7)
4947                                         fcport->flags |=
4948                                             FCF_CONF_COMP_SUPPORTED;
4949                         }
4950
4951                         rval = QLA_SUCCESS;
4952                         break;
4953                 } else if (mb[0] == MBS_LOOP_ID_USED) {
4954                         /*
4955                          * Loop ID already used, try next loop ID.
4956                          */
4957                         fcport->loop_id++;
4958                         rval = qla2x00_find_new_loop_id(vha, fcport);
4959                         if (rval != QLA_SUCCESS) {
4960                                 /* Ran out of loop IDs to use */
4961                                 break;
4962                         }
4963                 } else if (mb[0] == MBS_COMMAND_ERROR) {
4964                         /*
4965                          * Firmware possibly timed out during login. If NO
4966                          * retries are left to do then the device is declared
4967                          * dead.
4968                          */
4969                         *next_loopid = fcport->loop_id;
4970                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4971                             fcport->d_id.b.domain, fcport->d_id.b.area,
4972                             fcport->d_id.b.al_pa);
4973                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
4974
4975                         rval = 1;
4976                         break;
4977                 } else {
4978                         /*
4979                          * unrecoverable / not handled error
4980                          */
4981                         ql_dbg(ql_dbg_disc, vha, 0x2002,
4982                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
4983                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
4984                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
4985                             fcport->loop_id, jiffies);
4986
4987                         *next_loopid = fcport->loop_id;
4988                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4989                             fcport->d_id.b.domain, fcport->d_id.b.area,
4990                             fcport->d_id.b.al_pa);
4991                         qla2x00_clear_loop_id(fcport);
4992                         fcport->login_retry = 0;
4993
4994                         rval = 3;
4995                         break;
4996                 }
4997         }
4998
4999         return (rval);
5000 }
5001
5002 /*
5003  * qla2x00_local_device_login
5004  *      Issue local device login command.
5005  *
5006  * Input:
5007  *      ha = adapter block pointer.
5008  *      loop_id = loop id of device to login to.
5009  *
5010  * Returns (Where's the #define!!!!):
5011  *      0 - Login successfully
5012  *      1 - Login failed
5013  *      3 - Fatal error
5014  */
5015 int
5016 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
5017 {
5018         int             rval;
5019         uint16_t        mb[MAILBOX_REGISTER_COUNT];
5020
5021         memset(mb, 0, sizeof(mb));
5022         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
5023         if (rval == QLA_SUCCESS) {
5024                 /* Interrogate mailbox registers for any errors */
5025                 if (mb[0] == MBS_COMMAND_ERROR)
5026                         rval = 1;
5027                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
5028                         /* device not in PCB table */
5029                         rval = 3;
5030         }
5031
5032         return (rval);
5033 }
5034
5035 /*
5036  *  qla2x00_loop_resync
5037  *      Resync with fibre channel devices.
5038  *
5039  * Input:
5040  *      ha = adapter block pointer.
5041  *
5042  * Returns:
5043  *      0 = success
5044  */
5045 int
5046 qla2x00_loop_resync(scsi_qla_host_t *vha)
5047 {
5048         int rval = QLA_SUCCESS;
5049         uint32_t wait_time;
5050         struct req_que *req;
5051         struct rsp_que *rsp;
5052
5053         req = vha->req;
5054         rsp = req->rsp;
5055
5056         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5057         if (vha->flags.online) {
5058                 if (!(rval = qla2x00_fw_ready(vha))) {
5059                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5060                         wait_time = 256;
5061                         do {
5062                                 if (!IS_QLAFX00(vha->hw)) {
5063                                         /*
5064                                          * Issue a marker after FW becomes
5065                                          * ready.
5066                                          */
5067                                         qla2x00_marker(vha, req, rsp, 0, 0,
5068                                                 MK_SYNC_ALL);
5069                                         vha->marker_needed = 0;
5070                                 }
5071
5072                                 /* Remap devices on Loop. */
5073                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5074
5075                                 if (IS_QLAFX00(vha->hw))
5076                                         qlafx00_configure_devices(vha);
5077                                 else
5078                                         qla2x00_configure_loop(vha);
5079
5080                                 wait_time--;
5081                         } while (!atomic_read(&vha->loop_down_timer) &&
5082                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
5083                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
5084                                 &vha->dpc_flags)));
5085                 }
5086         }
5087
5088         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
5089                 return (QLA_FUNCTION_FAILED);
5090
5091         if (rval)
5092                 ql_dbg(ql_dbg_disc, vha, 0x206c,
5093                     "%s *** FAILED ***.\n", __func__);
5094
5095         return (rval);
5096 }
5097
5098 /*
5099 * qla2x00_perform_loop_resync
5100 * Description: This function will set the appropriate flags and call
5101 *              qla2x00_loop_resync. If successful loop will be resynced
5102 * Arguments : scsi_qla_host_t pointer
5103 * returm    : Success or Failure
5104 */
5105
5106 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
5107 {
5108         int32_t rval = 0;
5109
5110         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
5111                 /*Configure the flags so that resync happens properly*/
5112                 atomic_set(&ha->loop_down_timer, 0);
5113                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
5114                         atomic_set(&ha->loop_state, LOOP_UP);
5115                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
5116                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
5117                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
5118
5119                         rval = qla2x00_loop_resync(ha);
5120                 } else
5121                         atomic_set(&ha->loop_state, LOOP_DEAD);
5122
5123                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
5124         }
5125
5126         return rval;
5127 }
5128
5129 void
5130 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
5131 {
5132         fc_port_t *fcport;
5133         struct scsi_qla_host *vha;
5134         struct qla_hw_data *ha = base_vha->hw;
5135         unsigned long flags;
5136
5137         spin_lock_irqsave(&ha->vport_slock, flags);
5138         /* Go with deferred removal of rport references. */
5139         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
5140                 atomic_inc(&vha->vref_count);
5141                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5142                         if (fcport->drport &&
5143                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
5144                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5145                                 qla2x00_rport_del(fcport);
5146
5147                                 spin_lock_irqsave(&ha->vport_slock, flags);
5148                         }
5149                 }
5150                 atomic_dec(&vha->vref_count);
5151         }
5152         spin_unlock_irqrestore(&ha->vport_slock, flags);
5153 }
5154
5155 /* Assumes idc_lock always held on entry */
5156 void
5157 qla83xx_reset_ownership(scsi_qla_host_t *vha)
5158 {
5159         struct qla_hw_data *ha = vha->hw;
5160         uint32_t drv_presence, drv_presence_mask;
5161         uint32_t dev_part_info1, dev_part_info2, class_type;
5162         uint32_t class_type_mask = 0x3;
5163         uint16_t fcoe_other_function = 0xffff, i;
5164
5165         if (IS_QLA8044(ha)) {
5166                 drv_presence = qla8044_rd_direct(vha,
5167                     QLA8044_CRB_DRV_ACTIVE_INDEX);
5168                 dev_part_info1 = qla8044_rd_direct(vha,
5169                     QLA8044_CRB_DEV_PART_INFO_INDEX);
5170                 dev_part_info2 = qla8044_rd_direct(vha,
5171                     QLA8044_CRB_DEV_PART_INFO2);
5172         } else {
5173                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5174                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
5175                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
5176         }
5177         for (i = 0; i < 8; i++) {
5178                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
5179                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
5180                     (i != ha->portnum)) {
5181                         fcoe_other_function = i;
5182                         break;
5183                 }
5184         }
5185         if (fcoe_other_function == 0xffff) {
5186                 for (i = 0; i < 8; i++) {
5187                         class_type = ((dev_part_info2 >> (i * 4)) &
5188                             class_type_mask);
5189                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
5190                             ((i + 8) != ha->portnum)) {
5191                                 fcoe_other_function = i + 8;
5192                                 break;
5193                         }
5194                 }
5195         }
5196         /*
5197          * Prepare drv-presence mask based on fcoe functions present.
5198          * However consider only valid physical fcoe function numbers (0-15).
5199          */
5200         drv_presence_mask = ~((1 << (ha->portnum)) |
5201                         ((fcoe_other_function == 0xffff) ?
5202                          0 : (1 << (fcoe_other_function))));
5203
5204         /* We are the reset owner iff:
5205          *    - No other protocol drivers present.
5206          *    - This is the lowest among fcoe functions. */
5207         if (!(drv_presence & drv_presence_mask) &&
5208                         (ha->portnum < fcoe_other_function)) {
5209                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
5210                     "This host is Reset owner.\n");
5211                 ha->flags.nic_core_reset_owner = 1;
5212         }
5213 }
5214
5215 static int
5216 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
5217 {
5218         int rval = QLA_SUCCESS;
5219         struct qla_hw_data *ha = vha->hw;
5220         uint32_t drv_ack;
5221
5222         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
5223         if (rval == QLA_SUCCESS) {
5224                 drv_ack |= (1 << ha->portnum);
5225                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
5226         }
5227
5228         return rval;
5229 }
5230
5231 static int
5232 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
5233 {
5234         int rval = QLA_SUCCESS;
5235         struct qla_hw_data *ha = vha->hw;
5236         uint32_t drv_ack;
5237
5238         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
5239         if (rval == QLA_SUCCESS) {
5240                 drv_ack &= ~(1 << ha->portnum);
5241                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
5242         }
5243
5244         return rval;
5245 }
5246
5247 static const char *
5248 qla83xx_dev_state_to_string(uint32_t dev_state)
5249 {
5250         switch (dev_state) {
5251         case QLA8XXX_DEV_COLD:
5252                 return "COLD/RE-INIT";
5253         case QLA8XXX_DEV_INITIALIZING:
5254                 return "INITIALIZING";
5255         case QLA8XXX_DEV_READY:
5256                 return "READY";
5257         case QLA8XXX_DEV_NEED_RESET:
5258                 return "NEED RESET";
5259         case QLA8XXX_DEV_NEED_QUIESCENT:
5260                 return "NEED QUIESCENT";
5261         case QLA8XXX_DEV_FAILED:
5262                 return "FAILED";
5263         case QLA8XXX_DEV_QUIESCENT:
5264                 return "QUIESCENT";
5265         default:
5266                 return "Unknown";
5267         }
5268 }
5269
5270 /* Assumes idc-lock always held on entry */
5271 void
5272 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
5273 {
5274         struct qla_hw_data *ha = vha->hw;
5275         uint32_t idc_audit_reg = 0, duration_secs = 0;
5276
5277         switch (audit_type) {
5278         case IDC_AUDIT_TIMESTAMP:
5279                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
5280                 idc_audit_reg = (ha->portnum) |
5281                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
5282                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
5283                 break;
5284
5285         case IDC_AUDIT_COMPLETION:
5286                 duration_secs = ((jiffies_to_msecs(jiffies) -
5287                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
5288                 idc_audit_reg = (ha->portnum) |
5289                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
5290                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
5291                 break;
5292
5293         default:
5294                 ql_log(ql_log_warn, vha, 0xb078,
5295                     "Invalid audit type specified.\n");
5296                 break;
5297         }
5298 }
5299
5300 /* Assumes idc_lock always held on entry */
5301 static int
5302 qla83xx_initiating_reset(scsi_qla_host_t *vha)
5303 {
5304         struct qla_hw_data *ha = vha->hw;
5305         uint32_t  idc_control, dev_state;
5306
5307         __qla83xx_get_idc_control(vha, &idc_control);
5308         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
5309                 ql_log(ql_log_info, vha, 0xb080,
5310                     "NIC Core reset has been disabled. idc-control=0x%x\n",
5311                     idc_control);
5312                 return QLA_FUNCTION_FAILED;
5313         }
5314
5315         /* Set NEED-RESET iff in READY state and we are the reset-owner */
5316         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5317         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
5318                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
5319                     QLA8XXX_DEV_NEED_RESET);
5320                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
5321                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
5322         } else {
5323                 const char *state = qla83xx_dev_state_to_string(dev_state);
5324                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
5325
5326                 /* SV: XXX: Is timeout required here? */
5327                 /* Wait for IDC state change READY -> NEED_RESET */
5328                 while (dev_state == QLA8XXX_DEV_READY) {
5329                         qla83xx_idc_unlock(vha, 0);
5330                         msleep(200);
5331                         qla83xx_idc_lock(vha, 0);
5332                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5333                 }
5334         }
5335
5336         /* Send IDC ack by writing to drv-ack register */
5337         __qla83xx_set_drv_ack(vha);
5338
5339         return QLA_SUCCESS;
5340 }
5341
5342 int
5343 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
5344 {
5345         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
5346 }
5347
5348 int
5349 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
5350 {
5351         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
5352 }
5353
5354 static int
5355 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
5356 {
5357         uint32_t drv_presence = 0;
5358         struct qla_hw_data *ha = vha->hw;
5359
5360         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5361         if (drv_presence & (1 << ha->portnum))
5362                 return QLA_SUCCESS;
5363         else
5364                 return QLA_TEST_FAILED;
5365 }
5366
5367 int
5368 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
5369 {
5370         int rval = QLA_SUCCESS;
5371         struct qla_hw_data *ha = vha->hw;
5372
5373         ql_dbg(ql_dbg_p3p, vha, 0xb058,
5374             "Entered  %s().\n", __func__);
5375
5376         if (vha->device_flags & DFLG_DEV_FAILED) {
5377                 ql_log(ql_log_warn, vha, 0xb059,
5378                     "Device in unrecoverable FAILED state.\n");
5379                 return QLA_FUNCTION_FAILED;
5380         }
5381
5382         qla83xx_idc_lock(vha, 0);
5383
5384         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
5385                 ql_log(ql_log_warn, vha, 0xb05a,
5386                     "Function=0x%x has been removed from IDC participation.\n",
5387                     ha->portnum);
5388                 rval = QLA_FUNCTION_FAILED;
5389                 goto exit;
5390         }
5391
5392         qla83xx_reset_ownership(vha);
5393
5394         rval = qla83xx_initiating_reset(vha);
5395
5396         /*
5397          * Perform reset if we are the reset-owner,
5398          * else wait till IDC state changes to READY/FAILED.
5399          */
5400         if (rval == QLA_SUCCESS) {
5401                 rval = qla83xx_idc_state_handler(vha);
5402
5403                 if (rval == QLA_SUCCESS)
5404                         ha->flags.nic_core_hung = 0;
5405                 __qla83xx_clear_drv_ack(vha);
5406         }
5407
5408 exit:
5409         qla83xx_idc_unlock(vha, 0);
5410
5411         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
5412
5413         return rval;
5414 }
5415
5416 int
5417 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
5418 {
5419         struct qla_hw_data *ha = vha->hw;
5420         int rval = QLA_FUNCTION_FAILED;
5421
5422         if (!IS_MCTP_CAPABLE(ha)) {
5423                 /* This message can be removed from the final version */
5424                 ql_log(ql_log_info, vha, 0x506d,
5425                     "This board is not MCTP capable\n");
5426                 return rval;
5427         }
5428
5429         if (!ha->mctp_dump) {
5430                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
5431                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
5432
5433                 if (!ha->mctp_dump) {
5434                         ql_log(ql_log_warn, vha, 0x506e,
5435                             "Failed to allocate memory for mctp dump\n");
5436                         return rval;
5437                 }
5438         }
5439
5440 #define MCTP_DUMP_STR_ADDR      0x00000000
5441         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
5442             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
5443         if (rval != QLA_SUCCESS) {
5444                 ql_log(ql_log_warn, vha, 0x506f,
5445                     "Failed to capture mctp dump\n");
5446         } else {
5447                 ql_log(ql_log_info, vha, 0x5070,
5448                     "Mctp dump capture for host (%ld/%p).\n",
5449                     vha->host_no, ha->mctp_dump);
5450                 ha->mctp_dumped = 1;
5451         }
5452
5453         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
5454                 ha->flags.nic_core_reset_hdlr_active = 1;
5455                 rval = qla83xx_restart_nic_firmware(vha);
5456                 if (rval)
5457                         /* NIC Core reset failed. */
5458                         ql_log(ql_log_warn, vha, 0x5071,
5459                             "Failed to restart nic firmware\n");
5460                 else
5461                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
5462                             "Restarted NIC firmware successfully.\n");
5463                 ha->flags.nic_core_reset_hdlr_active = 0;
5464         }
5465
5466         return rval;
5467
5468 }
5469
5470 /*
5471 * qla2x00_quiesce_io
5472 * Description: This function will block the new I/Os
5473 *              Its not aborting any I/Os as context
5474 *              is not destroyed during quiescence
5475 * Arguments: scsi_qla_host_t
5476 * return   : void
5477 */
5478 void
5479 qla2x00_quiesce_io(scsi_qla_host_t *vha)
5480 {
5481         struct qla_hw_data *ha = vha->hw;
5482         struct scsi_qla_host *vp;
5483
5484         ql_dbg(ql_dbg_dpc, vha, 0x401d,
5485             "Quiescing I/O - ha=%p.\n", ha);
5486
5487         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
5488         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
5489                 atomic_set(&vha->loop_state, LOOP_DOWN);
5490                 qla2x00_mark_all_devices_lost(vha, 0);
5491                 list_for_each_entry(vp, &ha->vp_list, list)
5492                         qla2x00_mark_all_devices_lost(vp, 0);
5493         } else {
5494                 if (!atomic_read(&vha->loop_down_timer))
5495                         atomic_set(&vha->loop_down_timer,
5496                                         LOOP_DOWN_TIME);
5497         }
5498         /* Wait for pending cmds to complete */
5499         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
5500 }
5501
5502 void
5503 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
5504 {
5505         struct qla_hw_data *ha = vha->hw;
5506         struct scsi_qla_host *vp;
5507         unsigned long flags;
5508         fc_port_t *fcport;
5509
5510         /* For ISP82XX, driver waits for completion of the commands.
5511          * online flag should be set.
5512          */
5513         if (!(IS_P3P_TYPE(ha)))
5514                 vha->flags.online = 0;
5515         ha->flags.chip_reset_done = 0;
5516         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
5517         vha->qla_stats.total_isp_aborts++;
5518
5519         ql_log(ql_log_info, vha, 0x00af,
5520             "Performing ISP error recovery - ha=%p.\n", ha);
5521
5522         /* For ISP82XX, reset_chip is just disabling interrupts.
5523          * Driver waits for the completion of the commands.
5524          * the interrupts need to be enabled.
5525          */
5526         if (!(IS_P3P_TYPE(ha)))
5527                 ha->isp_ops->reset_chip(vha);
5528
5529         ha->chip_reset++;
5530
5531         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
5532         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
5533                 atomic_set(&vha->loop_state, LOOP_DOWN);
5534                 qla2x00_mark_all_devices_lost(vha, 0);
5535
5536                 spin_lock_irqsave(&ha->vport_slock, flags);
5537                 list_for_each_entry(vp, &ha->vp_list, list) {
5538                         atomic_inc(&vp->vref_count);
5539                         spin_unlock_irqrestore(&ha->vport_slock, flags);
5540
5541                         qla2x00_mark_all_devices_lost(vp, 0);
5542
5543                         spin_lock_irqsave(&ha->vport_slock, flags);
5544                         atomic_dec(&vp->vref_count);
5545                 }
5546                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5547         } else {
5548                 if (!atomic_read(&vha->loop_down_timer))
5549                         atomic_set(&vha->loop_down_timer,
5550                             LOOP_DOWN_TIME);
5551         }
5552
5553         /* Clear all async request states across all VPs. */
5554         list_for_each_entry(fcport, &vha->vp_fcports, list)
5555                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5556         spin_lock_irqsave(&ha->vport_slock, flags);
5557         list_for_each_entry(vp, &ha->vp_list, list) {
5558                 atomic_inc(&vp->vref_count);
5559                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5560
5561                 list_for_each_entry(fcport, &vp->vp_fcports, list)
5562                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5563
5564                 spin_lock_irqsave(&ha->vport_slock, flags);
5565                 atomic_dec(&vp->vref_count);
5566         }
5567         spin_unlock_irqrestore(&ha->vport_slock, flags);
5568
5569         if (!ha->flags.eeh_busy) {
5570                 /* Make sure for ISP 82XX IO DMA is complete */
5571                 if (IS_P3P_TYPE(ha)) {
5572                         qla82xx_chip_reset_cleanup(vha);
5573                         ql_log(ql_log_info, vha, 0x00b4,
5574                             "Done chip reset cleanup.\n");
5575
5576                         /* Done waiting for pending commands.
5577                          * Reset the online flag.
5578                          */
5579                         vha->flags.online = 0;
5580                 }
5581
5582                 /* Requeue all commands in outstanding command list. */
5583                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
5584         }
5585         /* memory barrier */
5586         wmb();
5587 }
5588
5589 /*
5590 *  qla2x00_abort_isp
5591 *      Resets ISP and aborts all outstanding commands.
5592 *
5593 * Input:
5594 *      ha           = adapter block pointer.
5595 *
5596 * Returns:
5597 *      0 = success
5598 */
5599 int
5600 qla2x00_abort_isp(scsi_qla_host_t *vha)
5601 {
5602         int rval;
5603         uint8_t        status = 0;
5604         struct qla_hw_data *ha = vha->hw;
5605         struct scsi_qla_host *vp;
5606         struct req_que *req = ha->req_q_map[0];
5607         unsigned long flags;
5608
5609         if (vha->flags.online) {
5610                 qla2x00_abort_isp_cleanup(vha);
5611
5612                 if (IS_QLA8031(ha)) {
5613                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
5614                             "Clearing fcoe driver presence.\n");
5615                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
5616                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
5617                                     "Error while clearing DRV-Presence.\n");
5618                 }
5619
5620                 if (unlikely(pci_channel_offline(ha->pdev) &&
5621                     ha->flags.pci_channel_io_perm_failure)) {
5622                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5623                         status = 0;
5624                         return status;
5625                 }
5626
5627                 ha->isp_ops->get_flash_version(vha, req->ring);
5628
5629                 ha->isp_ops->nvram_config(vha);
5630
5631                 if (!qla2x00_restart_isp(vha)) {
5632                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5633
5634                         if (!atomic_read(&vha->loop_down_timer)) {
5635                                 /*
5636                                  * Issue marker command only when we are going
5637                                  * to start the I/O .
5638                                  */
5639                                 vha->marker_needed = 1;
5640                         }
5641
5642                         vha->flags.online = 1;
5643
5644                         ha->isp_ops->enable_intrs(ha);
5645
5646                         ha->isp_abort_cnt = 0;
5647                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5648
5649                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
5650                                 qla2x00_get_fw_version(vha);
5651                         if (ha->fce) {
5652                                 ha->flags.fce_enabled = 1;
5653                                 memset(ha->fce, 0,
5654                                     fce_calc_size(ha->fce_bufs));
5655                                 rval = qla2x00_enable_fce_trace(vha,
5656                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5657                                     &ha->fce_bufs);
5658                                 if (rval) {
5659                                         ql_log(ql_log_warn, vha, 0x8033,
5660                                             "Unable to reinitialize FCE "
5661                                             "(%d).\n", rval);
5662                                         ha->flags.fce_enabled = 0;
5663                                 }
5664                         }
5665
5666                         if (ha->eft) {
5667                                 memset(ha->eft, 0, EFT_SIZE);
5668                                 rval = qla2x00_enable_eft_trace(vha,
5669                                     ha->eft_dma, EFT_NUM_BUFFERS);
5670                                 if (rval) {
5671                                         ql_log(ql_log_warn, vha, 0x8034,
5672                                             "Unable to reinitialize EFT "
5673                                             "(%d).\n", rval);
5674                                 }
5675                         }
5676                 } else {        /* failed the ISP abort */
5677                         vha->flags.online = 1;
5678                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
5679                                 if (ha->isp_abort_cnt == 0) {
5680                                         ql_log(ql_log_fatal, vha, 0x8035,
5681                                             "ISP error recover failed - "
5682                                             "board disabled.\n");
5683                                         /*
5684                                          * The next call disables the board
5685                                          * completely.
5686                                          */
5687                                         ha->isp_ops->reset_adapter(vha);
5688                                         vha->flags.online = 0;
5689                                         clear_bit(ISP_ABORT_RETRY,
5690                                             &vha->dpc_flags);
5691                                         status = 0;
5692                                 } else { /* schedule another ISP abort */
5693                                         ha->isp_abort_cnt--;
5694                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
5695                                             "ISP abort - retry remaining %d.\n",
5696                                             ha->isp_abort_cnt);
5697                                         status = 1;
5698                                 }
5699                         } else {
5700                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
5701                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
5702                                     "ISP error recovery - retrying (%d) "
5703                                     "more times.\n", ha->isp_abort_cnt);
5704                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5705                                 status = 1;
5706                         }
5707                 }
5708
5709         }
5710
5711         if (!status) {
5712                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
5713
5714                 spin_lock_irqsave(&ha->vport_slock, flags);
5715                 list_for_each_entry(vp, &ha->vp_list, list) {
5716                         if (vp->vp_idx) {
5717                                 atomic_inc(&vp->vref_count);
5718                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5719
5720                                 qla2x00_vp_abort_isp(vp);
5721
5722                                 spin_lock_irqsave(&ha->vport_slock, flags);
5723                                 atomic_dec(&vp->vref_count);
5724                         }
5725                 }
5726                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5727
5728                 if (IS_QLA8031(ha)) {
5729                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
5730                             "Setting back fcoe driver presence.\n");
5731                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
5732                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
5733                                     "Error while setting DRV-Presence.\n");
5734                 }
5735         } else {
5736                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
5737                        __func__);
5738         }
5739
5740         return(status);
5741 }
5742
5743 /*
5744 *  qla2x00_restart_isp
5745 *      restarts the ISP after a reset
5746 *
5747 * Input:
5748 *      ha = adapter block pointer.
5749 *
5750 * Returns:
5751 *      0 = success
5752 */
5753 static int
5754 qla2x00_restart_isp(scsi_qla_host_t *vha)
5755 {
5756         int status = 0;
5757         struct qla_hw_data *ha = vha->hw;
5758         struct req_que *req = ha->req_q_map[0];
5759         struct rsp_que *rsp = ha->rsp_q_map[0];
5760
5761         /* If firmware needs to be loaded */
5762         if (qla2x00_isp_firmware(vha)) {
5763                 vha->flags.online = 0;
5764                 status = ha->isp_ops->chip_diag(vha);
5765                 if (!status)
5766                         status = qla2x00_setup_chip(vha);
5767         }
5768
5769         if (!status && !(status = qla2x00_init_rings(vha))) {
5770                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5771                 ha->flags.chip_reset_done = 1;
5772
5773                 /* Initialize the queues in use */
5774                 qla25xx_init_queues(ha);
5775
5776                 status = qla2x00_fw_ready(vha);
5777                 if (!status) {
5778                         /* Issue a marker after FW becomes ready. */
5779                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5780                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5781                 }
5782
5783                 /* if no cable then assume it's good */
5784                 if ((vha->device_flags & DFLG_NO_CABLE))
5785                         status = 0;
5786         }
5787         return (status);
5788 }
5789
5790 static int
5791 qla25xx_init_queues(struct qla_hw_data *ha)
5792 {
5793         struct rsp_que *rsp = NULL;
5794         struct req_que *req = NULL;
5795         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5796         int ret = -1;
5797         int i;
5798
5799         for (i = 1; i < ha->max_rsp_queues; i++) {
5800                 rsp = ha->rsp_q_map[i];
5801                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
5802                         rsp->options &= ~BIT_0;
5803                         ret = qla25xx_init_rsp_que(base_vha, rsp);
5804                         if (ret != QLA_SUCCESS)
5805                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
5806                                     "%s Rsp que: %d init failed.\n",
5807                                     __func__, rsp->id);
5808                         else
5809                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
5810                                     "%s Rsp que: %d inited.\n",
5811                                     __func__, rsp->id);
5812                 }
5813         }
5814         for (i = 1; i < ha->max_req_queues; i++) {
5815                 req = ha->req_q_map[i];
5816                 if (req && test_bit(i, ha->req_qid_map)) {
5817                         /* Clear outstanding commands array. */
5818                         req->options &= ~BIT_0;
5819                         ret = qla25xx_init_req_que(base_vha, req);
5820                         if (ret != QLA_SUCCESS)
5821                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
5822                                     "%s Req que: %d init failed.\n",
5823                                     __func__, req->id);
5824                         else
5825                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
5826                                     "%s Req que: %d inited.\n",
5827                                     __func__, req->id);
5828                 }
5829         }
5830         return ret;
5831 }
5832
5833 /*
5834 * qla2x00_reset_adapter
5835 *      Reset adapter.
5836 *
5837 * Input:
5838 *      ha = adapter block pointer.
5839 */
5840 void
5841 qla2x00_reset_adapter(scsi_qla_host_t *vha)
5842 {
5843         unsigned long flags = 0;
5844         struct qla_hw_data *ha = vha->hw;
5845         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5846
5847         vha->flags.online = 0;
5848         ha->isp_ops->disable_intrs(ha);
5849
5850         spin_lock_irqsave(&ha->hardware_lock, flags);
5851         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
5852         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
5853         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
5854         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
5855         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5856 }
5857
5858 void
5859 qla24xx_reset_adapter(scsi_qla_host_t *vha)
5860 {
5861         unsigned long flags = 0;
5862         struct qla_hw_data *ha = vha->hw;
5863         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
5864
5865         if (IS_P3P_TYPE(ha))
5866                 return;
5867
5868         vha->flags.online = 0;
5869         ha->isp_ops->disable_intrs(ha);
5870
5871         spin_lock_irqsave(&ha->hardware_lock, flags);
5872         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
5873         RD_REG_DWORD(&reg->hccr);
5874         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
5875         RD_REG_DWORD(&reg->hccr);
5876         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5877
5878         if (IS_NOPOLLING_TYPE(ha))
5879                 ha->isp_ops->enable_intrs(ha);
5880 }
5881
5882 /* On sparc systems, obtain port and node WWN from firmware
5883  * properties.
5884  */
5885 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
5886         struct nvram_24xx *nv)
5887 {
5888 #ifdef CONFIG_SPARC
5889         struct qla_hw_data *ha = vha->hw;
5890         struct pci_dev *pdev = ha->pdev;
5891         struct device_node *dp = pci_device_to_OF_node(pdev);
5892         const u8 *val;
5893         int len;
5894
5895         val = of_get_property(dp, "port-wwn", &len);
5896         if (val && len >= WWN_SIZE)
5897                 memcpy(nv->port_name, val, WWN_SIZE);
5898
5899         val = of_get_property(dp, "node-wwn", &len);
5900         if (val && len >= WWN_SIZE)
5901                 memcpy(nv->node_name, val, WWN_SIZE);
5902 #endif
5903 }
5904
5905 int
5906 qla24xx_nvram_config(scsi_qla_host_t *vha)
5907 {
5908         int   rval;
5909         struct init_cb_24xx *icb;
5910         struct nvram_24xx *nv;
5911         uint32_t *dptr;
5912         uint8_t  *dptr1, *dptr2;
5913         uint32_t chksum;
5914         uint16_t cnt;
5915         struct qla_hw_data *ha = vha->hw;
5916
5917         rval = QLA_SUCCESS;
5918         icb = (struct init_cb_24xx *)ha->init_cb;
5919         nv = ha->nvram;
5920
5921         /* Determine NVRAM starting address. */
5922         if (ha->port_no == 0) {
5923                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
5924                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
5925         } else {
5926                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
5927                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
5928         }
5929
5930         ha->nvram_size = sizeof(struct nvram_24xx);
5931         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5932
5933         /* Get VPD data into cache */
5934         ha->vpd = ha->nvram + VPD_OFFSET;
5935         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
5936             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
5937
5938         /* Get NVRAM data into cache and calculate checksum. */
5939         dptr = (uint32_t *)nv;
5940         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
5941             ha->nvram_size);
5942         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
5943                 chksum += le32_to_cpu(*dptr);
5944
5945         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
5946             "Contents of NVRAM\n");
5947         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
5948             (uint8_t *)nv, ha->nvram_size);
5949
5950         /* Bad NVRAM data, set defaults parameters. */
5951         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5952             || nv->id[3] != ' ' ||
5953             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
5954                 /* Reset NVRAM data. */
5955                 ql_log(ql_log_warn, vha, 0x006b,
5956                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5957                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
5958                 ql_log(ql_log_warn, vha, 0x006c,
5959                     "Falling back to functioning (yet invalid -- WWPN) "
5960                     "defaults.\n");
5961
5962                 /*
5963                  * Set default initialization control block.
5964                  */
5965                 memset(nv, 0, ha->nvram_size);
5966                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
5967                 nv->version = cpu_to_le16(ICB_VERSION);
5968                 nv->frame_payload_size = 2048;
5969                 nv->execution_throttle = cpu_to_le16(0xFFFF);
5970                 nv->exchange_count = cpu_to_le16(0);
5971                 nv->hard_address = cpu_to_le16(124);
5972                 nv->port_name[0] = 0x21;
5973                 nv->port_name[1] = 0x00 + ha->port_no + 1;
5974                 nv->port_name[2] = 0x00;
5975                 nv->port_name[3] = 0xe0;
5976                 nv->port_name[4] = 0x8b;
5977                 nv->port_name[5] = 0x1c;
5978                 nv->port_name[6] = 0x55;
5979                 nv->port_name[7] = 0x86;
5980                 nv->node_name[0] = 0x20;
5981                 nv->node_name[1] = 0x00;
5982                 nv->node_name[2] = 0x00;
5983                 nv->node_name[3] = 0xe0;
5984                 nv->node_name[4] = 0x8b;
5985                 nv->node_name[5] = 0x1c;
5986                 nv->node_name[6] = 0x55;
5987                 nv->node_name[7] = 0x86;
5988                 qla24xx_nvram_wwn_from_ofw(vha, nv);
5989                 nv->login_retry_count = cpu_to_le16(8);
5990                 nv->interrupt_delay_timer = cpu_to_le16(0);
5991                 nv->login_timeout = cpu_to_le16(0);
5992                 nv->firmware_options_1 =
5993                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5994                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
5995                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
5996                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
5997                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
5998                 nv->efi_parameters = cpu_to_le32(0);
5999                 nv->reset_delay = 5;
6000                 nv->max_luns_per_target = cpu_to_le16(128);
6001                 nv->port_down_retry_count = cpu_to_le16(30);
6002                 nv->link_down_timeout = cpu_to_le16(30);
6003
6004                 rval = 1;
6005         }
6006
6007         if (qla_tgt_mode_enabled(vha)) {
6008                 /* Don't enable full login after initial LIP */
6009                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
6010                 /* Don't enable LIP full login for initiator */
6011                 nv->host_p &= cpu_to_le32(~BIT_10);
6012         }
6013
6014         qlt_24xx_config_nvram_stage1(vha, nv);
6015
6016         /* Reset Initialization control block */
6017         memset(icb, 0, ha->init_cb_size);
6018
6019         /* Copy 1st segment. */
6020         dptr1 = (uint8_t *)icb;
6021         dptr2 = (uint8_t *)&nv->version;
6022         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
6023         while (cnt--)
6024                 *dptr1++ = *dptr2++;
6025
6026         icb->login_retry_count = nv->login_retry_count;
6027         icb->link_down_on_nos = nv->link_down_on_nos;
6028
6029         /* Copy 2nd segment. */
6030         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
6031         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
6032         cnt = (uint8_t *)&icb->reserved_3 -
6033             (uint8_t *)&icb->interrupt_delay_timer;
6034         while (cnt--)
6035                 *dptr1++ = *dptr2++;
6036
6037         /*
6038          * Setup driver NVRAM options.
6039          */
6040         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
6041             "QLA2462");
6042
6043         qlt_24xx_config_nvram_stage2(vha, icb);
6044
6045         if (nv->host_p & cpu_to_le32(BIT_15)) {
6046                 /* Use alternate WWN? */
6047                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6048                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6049         }
6050
6051         /* Prepare nodename */
6052         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
6053                 /*
6054                  * Firmware will apply the following mask if the nodename was
6055                  * not provided.
6056                  */
6057                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6058                 icb->node_name[0] &= 0xF0;
6059         }
6060
6061         /* Set host adapter parameters. */
6062         ha->flags.disable_risc_code_load = 0;
6063         ha->flags.enable_lip_reset = 0;
6064         ha->flags.enable_lip_full_login =
6065             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6066         ha->flags.enable_target_reset =
6067             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6068         ha->flags.enable_led_scheme = 0;
6069         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6070
6071         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6072             (BIT_6 | BIT_5 | BIT_4)) >> 4;
6073
6074         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
6075             sizeof(ha->fw_seriallink_options24));
6076
6077         /* save HBA serial number */
6078         ha->serial0 = icb->port_name[5];
6079         ha->serial1 = icb->port_name[6];
6080         ha->serial2 = icb->port_name[7];
6081         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6082         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6083
6084         icb->execution_throttle = cpu_to_le16(0xFFFF);
6085
6086         ha->retry_count = le16_to_cpu(nv->login_retry_count);
6087
6088         /* Set minimum login_timeout to 4 seconds. */
6089         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6090                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6091         if (le16_to_cpu(nv->login_timeout) < 4)
6092                 nv->login_timeout = cpu_to_le16(4);
6093         ha->login_timeout = le16_to_cpu(nv->login_timeout);
6094
6095         /* Set minimum RATOV to 100 tenths of a second. */
6096         ha->r_a_tov = 100;
6097
6098         ha->loop_reset_delay = nv->reset_delay;
6099
6100         /* Link Down Timeout = 0:
6101          *
6102          *      When Port Down timer expires we will start returning
6103          *      I/O's to OS with "DID_NO_CONNECT".
6104          *
6105          * Link Down Timeout != 0:
6106          *
6107          *       The driver waits for the link to come up after link down
6108          *       before returning I/Os to OS with "DID_NO_CONNECT".
6109          */
6110         if (le16_to_cpu(nv->link_down_timeout) == 0) {
6111                 ha->loop_down_abort_time =
6112                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6113         } else {
6114                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
6115                 ha->loop_down_abort_time =
6116                     (LOOP_DOWN_TIME - ha->link_down_timeout);
6117         }
6118
6119         /* Need enough time to try and get the port back. */
6120         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6121         if (qlport_down_retry)
6122                 ha->port_down_retry_count = qlport_down_retry;
6123
6124         /* Set login_retry_count */
6125         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
6126         if (ha->port_down_retry_count ==
6127             le16_to_cpu(nv->port_down_retry_count) &&
6128             ha->port_down_retry_count > 3)
6129                 ha->login_retry_count = ha->port_down_retry_count;
6130         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6131                 ha->login_retry_count = ha->port_down_retry_count;
6132         if (ql2xloginretrycount)
6133                 ha->login_retry_count = ql2xloginretrycount;
6134
6135         /* Enable ZIO. */
6136         if (!vha->flags.init_done) {
6137                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6138                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6139                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6140                     le16_to_cpu(icb->interrupt_delay_timer): 2;
6141         }
6142         icb->firmware_options_2 &= cpu_to_le32(
6143             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6144         vha->flags.process_response_queue = 0;
6145         if (ha->zio_mode != QLA_ZIO_DISABLED) {
6146                 ha->zio_mode = QLA_ZIO_MODE_6;
6147
6148                 ql_log(ql_log_info, vha, 0x006f,
6149                     "ZIO mode %d enabled; timer delay (%d us).\n",
6150                     ha->zio_mode, ha->zio_timer * 100);
6151
6152                 icb->firmware_options_2 |= cpu_to_le32(
6153                     (uint32_t)ha->zio_mode);
6154                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6155                 vha->flags.process_response_queue = 1;
6156         }
6157
6158         if (rval) {
6159                 ql_log(ql_log_warn, vha, 0x0070,
6160                     "NVRAM configuration failed.\n");
6161         }
6162         return (rval);
6163 }
6164
6165 uint8_t qla27xx_find_valid_image(struct scsi_qla_host *vha)
6166 {
6167         struct qla27xx_image_status pri_image_status, sec_image_status;
6168         uint8_t valid_pri_image, valid_sec_image;
6169         uint32_t *wptr;
6170         uint32_t cnt, chksum, size;
6171         struct qla_hw_data *ha = vha->hw;
6172
6173         valid_pri_image = valid_sec_image = 1;
6174         ha->active_image = 0;
6175         size = sizeof(struct qla27xx_image_status) / sizeof(uint32_t);
6176
6177         if (!ha->flt_region_img_status_pri) {
6178                 valid_pri_image = 0;
6179                 goto check_sec_image;
6180         }
6181
6182         qla24xx_read_flash_data(vha, (uint32_t *)(&pri_image_status),
6183             ha->flt_region_img_status_pri, size);
6184
6185         if (pri_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
6186                 ql_dbg(ql_dbg_init, vha, 0x018b,
6187                     "Primary image signature (0x%x) not valid\n",
6188                     pri_image_status.signature);
6189                 valid_pri_image = 0;
6190                 goto check_sec_image;
6191         }
6192
6193         wptr = (uint32_t *)(&pri_image_status);
6194         cnt = size;
6195
6196         for (chksum = 0; cnt--; wptr++)
6197                 chksum += le32_to_cpu(*wptr);
6198
6199         if (chksum) {
6200                 ql_dbg(ql_dbg_init, vha, 0x018c,
6201                     "Checksum validation failed for primary image (0x%x)\n",
6202                     chksum);
6203                 valid_pri_image = 0;
6204         }
6205
6206 check_sec_image:
6207         if (!ha->flt_region_img_status_sec) {
6208                 valid_sec_image = 0;
6209                 goto check_valid_image;
6210         }
6211
6212         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
6213             ha->flt_region_img_status_sec, size);
6214
6215         if (sec_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
6216                 ql_dbg(ql_dbg_init, vha, 0x018d,
6217                     "Secondary image signature(0x%x) not valid\n",
6218                     sec_image_status.signature);
6219                 valid_sec_image = 0;
6220                 goto check_valid_image;
6221         }
6222
6223         wptr = (uint32_t *)(&sec_image_status);
6224         cnt = size;
6225         for (chksum = 0; cnt--; wptr++)
6226                 chksum += le32_to_cpu(*wptr);
6227         if (chksum) {
6228                 ql_dbg(ql_dbg_init, vha, 0x018e,
6229                     "Checksum validation failed for secondary image (0x%x)\n",
6230                     chksum);
6231                 valid_sec_image = 0;
6232         }
6233
6234 check_valid_image:
6235         if (valid_pri_image && (pri_image_status.image_status_mask & 0x1))
6236                 ha->active_image = QLA27XX_PRIMARY_IMAGE;
6237         if (valid_sec_image && (sec_image_status.image_status_mask & 0x1)) {
6238                 if (!ha->active_image ||
6239                     pri_image_status.generation_number <
6240                     sec_image_status.generation_number)
6241                         ha->active_image = QLA27XX_SECONDARY_IMAGE;
6242         }
6243
6244         ql_dbg(ql_dbg_init, vha, 0x018f, "%s image\n",
6245             ha->active_image == 0 ? "default bootld and fw" :
6246             ha->active_image == 1 ? "primary" :
6247             ha->active_image == 2 ? "secondary" :
6248             "Invalid");
6249
6250         return ha->active_image;
6251 }
6252
6253 static int
6254 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
6255     uint32_t faddr)
6256 {
6257         int     rval = QLA_SUCCESS;
6258         int     segments, fragment;
6259         uint32_t *dcode, dlen;
6260         uint32_t risc_addr;
6261         uint32_t risc_size;
6262         uint32_t i;
6263         struct qla_hw_data *ha = vha->hw;
6264         struct req_que *req = ha->req_q_map[0];
6265
6266         ql_dbg(ql_dbg_init, vha, 0x008b,
6267             "FW: Loading firmware from flash (%x).\n", faddr);
6268
6269         rval = QLA_SUCCESS;
6270
6271         segments = FA_RISC_CODE_SEGMENTS;
6272         dcode = (uint32_t *)req->ring;
6273         *srisc_addr = 0;
6274
6275         if (IS_QLA27XX(ha) &&
6276             qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
6277                 faddr = ha->flt_region_fw_sec;
6278
6279         /* Validate firmware image by checking version. */
6280         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
6281         for (i = 0; i < 4; i++)
6282                 dcode[i] = be32_to_cpu(dcode[i]);
6283         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
6284             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
6285             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
6286                 dcode[3] == 0)) {
6287                 ql_log(ql_log_fatal, vha, 0x008c,
6288                     "Unable to verify the integrity of flash firmware "
6289                     "image.\n");
6290                 ql_log(ql_log_fatal, vha, 0x008d,
6291                     "Firmware data: %08x %08x %08x %08x.\n",
6292                     dcode[0], dcode[1], dcode[2], dcode[3]);
6293
6294                 return QLA_FUNCTION_FAILED;
6295         }
6296
6297         while (segments && rval == QLA_SUCCESS) {
6298                 /* Read segment's load information. */
6299                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
6300
6301                 risc_addr = be32_to_cpu(dcode[2]);
6302                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
6303                 risc_size = be32_to_cpu(dcode[3]);
6304
6305                 fragment = 0;
6306                 while (risc_size > 0 && rval == QLA_SUCCESS) {
6307                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
6308                         if (dlen > risc_size)
6309                                 dlen = risc_size;
6310
6311                         ql_dbg(ql_dbg_init, vha, 0x008e,
6312                             "Loading risc segment@ risc addr %x "
6313                             "number of dwords 0x%x offset 0x%x.\n",
6314                             risc_addr, dlen, faddr);
6315
6316                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
6317                         for (i = 0; i < dlen; i++)
6318                                 dcode[i] = swab32(dcode[i]);
6319
6320                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
6321                             dlen);
6322                         if (rval) {
6323                                 ql_log(ql_log_fatal, vha, 0x008f,
6324                                     "Failed to load segment %d of firmware.\n",
6325                                     fragment);
6326                                 return QLA_FUNCTION_FAILED;
6327                         }
6328
6329                         faddr += dlen;
6330                         risc_addr += dlen;
6331                         risc_size -= dlen;
6332                         fragment++;
6333                 }
6334
6335                 /* Next segment. */
6336                 segments--;
6337         }
6338
6339         if (!IS_QLA27XX(ha))
6340                 return rval;
6341
6342         if (ha->fw_dump_template)
6343                 vfree(ha->fw_dump_template);
6344         ha->fw_dump_template = NULL;
6345         ha->fw_dump_template_len = 0;
6346
6347         ql_dbg(ql_dbg_init, vha, 0x0161,
6348             "Loading fwdump template from %x\n", faddr);
6349         qla24xx_read_flash_data(vha, dcode, faddr, 7);
6350         risc_size = be32_to_cpu(dcode[2]);
6351         ql_dbg(ql_dbg_init, vha, 0x0162,
6352             "-> array size %x dwords\n", risc_size);
6353         if (risc_size == 0 || risc_size == ~0)
6354                 goto default_template;
6355
6356         dlen = (risc_size - 8) * sizeof(*dcode);
6357         ql_dbg(ql_dbg_init, vha, 0x0163,
6358             "-> template allocating %x bytes...\n", dlen);
6359         ha->fw_dump_template = vmalloc(dlen);
6360         if (!ha->fw_dump_template) {
6361                 ql_log(ql_log_warn, vha, 0x0164,
6362                     "Failed fwdump template allocate %x bytes.\n", risc_size);
6363                 goto default_template;
6364         }
6365
6366         faddr += 7;
6367         risc_size -= 8;
6368         dcode = ha->fw_dump_template;
6369         qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
6370         for (i = 0; i < risc_size; i++)
6371                 dcode[i] = le32_to_cpu(dcode[i]);
6372
6373         if (!qla27xx_fwdt_template_valid(dcode)) {
6374                 ql_log(ql_log_warn, vha, 0x0165,
6375                     "Failed fwdump template validate\n");
6376                 goto default_template;
6377         }
6378
6379         dlen = qla27xx_fwdt_template_size(dcode);
6380         ql_dbg(ql_dbg_init, vha, 0x0166,
6381             "-> template size %x bytes\n", dlen);
6382         if (dlen > risc_size * sizeof(*dcode)) {
6383                 ql_log(ql_log_warn, vha, 0x0167,
6384                     "Failed fwdump template exceeds array by %x bytes\n",
6385                     (uint32_t)(dlen - risc_size * sizeof(*dcode)));
6386                 goto default_template;
6387         }
6388         ha->fw_dump_template_len = dlen;
6389         return rval;
6390
6391 default_template:
6392         ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
6393         if (ha->fw_dump_template)
6394                 vfree(ha->fw_dump_template);
6395         ha->fw_dump_template = NULL;
6396         ha->fw_dump_template_len = 0;
6397
6398         dlen = qla27xx_fwdt_template_default_size();
6399         ql_dbg(ql_dbg_init, vha, 0x0169,
6400             "-> template allocating %x bytes...\n", dlen);
6401         ha->fw_dump_template = vmalloc(dlen);
6402         if (!ha->fw_dump_template) {
6403                 ql_log(ql_log_warn, vha, 0x016a,
6404                     "Failed fwdump template allocate %x bytes.\n", risc_size);
6405                 goto failed_template;
6406         }
6407
6408         dcode = ha->fw_dump_template;
6409         risc_size = dlen / sizeof(*dcode);
6410         memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
6411         for (i = 0; i < risc_size; i++)
6412                 dcode[i] = be32_to_cpu(dcode[i]);
6413
6414         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
6415                 ql_log(ql_log_warn, vha, 0x016b,
6416                     "Failed fwdump template validate\n");
6417                 goto failed_template;
6418         }
6419
6420         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
6421         ql_dbg(ql_dbg_init, vha, 0x016c,
6422             "-> template size %x bytes\n", dlen);
6423         ha->fw_dump_template_len = dlen;
6424         return rval;
6425
6426 failed_template:
6427         ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
6428         if (ha->fw_dump_template)
6429                 vfree(ha->fw_dump_template);
6430         ha->fw_dump_template = NULL;
6431         ha->fw_dump_template_len = 0;
6432         return rval;
6433 }
6434
6435 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
6436
6437 int
6438 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
6439 {
6440         int     rval;
6441         int     i, fragment;
6442         uint16_t *wcode, *fwcode;
6443         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
6444         struct fw_blob *blob;
6445         struct qla_hw_data *ha = vha->hw;
6446         struct req_que *req = ha->req_q_map[0];
6447
6448         /* Load firmware blob. */
6449         blob = qla2x00_request_firmware(vha);
6450         if (!blob) {
6451                 ql_log(ql_log_info, vha, 0x0083,
6452                     "Firmware image unavailable.\n");
6453                 ql_log(ql_log_info, vha, 0x0084,
6454                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
6455                 return QLA_FUNCTION_FAILED;
6456         }
6457
6458         rval = QLA_SUCCESS;
6459
6460         wcode = (uint16_t *)req->ring;
6461         *srisc_addr = 0;
6462         fwcode = (uint16_t *)blob->fw->data;
6463         fwclen = 0;
6464
6465         /* Validate firmware image by checking version. */
6466         if (blob->fw->size < 8 * sizeof(uint16_t)) {
6467                 ql_log(ql_log_fatal, vha, 0x0085,
6468                     "Unable to verify integrity of firmware image (%zd).\n",
6469                     blob->fw->size);
6470                 goto fail_fw_integrity;
6471         }
6472         for (i = 0; i < 4; i++)
6473                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
6474         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
6475             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
6476                 wcode[2] == 0 && wcode[3] == 0)) {
6477                 ql_log(ql_log_fatal, vha, 0x0086,
6478                     "Unable to verify integrity of firmware image.\n");
6479                 ql_log(ql_log_fatal, vha, 0x0087,
6480                     "Firmware data: %04x %04x %04x %04x.\n",
6481                     wcode[0], wcode[1], wcode[2], wcode[3]);
6482                 goto fail_fw_integrity;
6483         }
6484
6485         seg = blob->segs;
6486         while (*seg && rval == QLA_SUCCESS) {
6487                 risc_addr = *seg;
6488                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
6489                 risc_size = be16_to_cpu(fwcode[3]);
6490
6491                 /* Validate firmware image size. */
6492                 fwclen += risc_size * sizeof(uint16_t);
6493                 if (blob->fw->size < fwclen) {
6494                         ql_log(ql_log_fatal, vha, 0x0088,
6495                             "Unable to verify integrity of firmware image "
6496                             "(%zd).\n", blob->fw->size);
6497                         goto fail_fw_integrity;
6498                 }
6499
6500                 fragment = 0;
6501                 while (risc_size > 0 && rval == QLA_SUCCESS) {
6502                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
6503                         if (wlen > risc_size)
6504                                 wlen = risc_size;
6505                         ql_dbg(ql_dbg_init, vha, 0x0089,
6506                             "Loading risc segment@ risc addr %x number of "
6507                             "words 0x%x.\n", risc_addr, wlen);
6508
6509                         for (i = 0; i < wlen; i++)
6510                                 wcode[i] = swab16(fwcode[i]);
6511
6512                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
6513                             wlen);
6514                         if (rval) {
6515                                 ql_log(ql_log_fatal, vha, 0x008a,
6516                                     "Failed to load segment %d of firmware.\n",
6517                                     fragment);
6518                                 break;
6519                         }
6520
6521                         fwcode += wlen;
6522                         risc_addr += wlen;
6523                         risc_size -= wlen;
6524                         fragment++;
6525                 }
6526
6527                 /* Next segment. */
6528                 seg++;
6529         }
6530         return rval;
6531
6532 fail_fw_integrity:
6533         return QLA_FUNCTION_FAILED;
6534 }
6535
6536 static int
6537 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
6538 {
6539         int     rval;
6540         int     segments, fragment;
6541         uint32_t *dcode, dlen;
6542         uint32_t risc_addr;
6543         uint32_t risc_size;
6544         uint32_t i;
6545         struct fw_blob *blob;
6546         const uint32_t *fwcode;
6547         uint32_t fwclen;
6548         struct qla_hw_data *ha = vha->hw;
6549         struct req_que *req = ha->req_q_map[0];
6550
6551         /* Load firmware blob. */
6552         blob = qla2x00_request_firmware(vha);
6553         if (!blob) {
6554                 ql_log(ql_log_warn, vha, 0x0090,
6555                     "Firmware image unavailable.\n");
6556                 ql_log(ql_log_warn, vha, 0x0091,
6557                     "Firmware images can be retrieved from: "
6558                     QLA_FW_URL ".\n");
6559
6560                 return QLA_FUNCTION_FAILED;
6561         }
6562
6563         ql_dbg(ql_dbg_init, vha, 0x0092,
6564             "FW: Loading via request-firmware.\n");
6565
6566         rval = QLA_SUCCESS;
6567
6568         segments = FA_RISC_CODE_SEGMENTS;
6569         dcode = (uint32_t *)req->ring;
6570         *srisc_addr = 0;
6571         fwcode = (uint32_t *)blob->fw->data;
6572         fwclen = 0;
6573
6574         /* Validate firmware image by checking version. */
6575         if (blob->fw->size < 8 * sizeof(uint32_t)) {
6576                 ql_log(ql_log_fatal, vha, 0x0093,
6577                     "Unable to verify integrity of firmware image (%zd).\n",
6578                     blob->fw->size);
6579                 return QLA_FUNCTION_FAILED;
6580         }
6581         for (i = 0; i < 4; i++)
6582                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
6583         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
6584             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
6585             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
6586                 dcode[3] == 0)) {
6587                 ql_log(ql_log_fatal, vha, 0x0094,
6588                     "Unable to verify integrity of firmware image (%zd).\n",
6589                     blob->fw->size);
6590                 ql_log(ql_log_fatal, vha, 0x0095,
6591                     "Firmware data: %08x %08x %08x %08x.\n",
6592                     dcode[0], dcode[1], dcode[2], dcode[3]);
6593                 return QLA_FUNCTION_FAILED;
6594         }
6595
6596         while (segments && rval == QLA_SUCCESS) {
6597                 risc_addr = be32_to_cpu(fwcode[2]);
6598                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
6599                 risc_size = be32_to_cpu(fwcode[3]);
6600
6601                 /* Validate firmware image size. */
6602                 fwclen += risc_size * sizeof(uint32_t);
6603                 if (blob->fw->size < fwclen) {
6604                         ql_log(ql_log_fatal, vha, 0x0096,
6605                             "Unable to verify integrity of firmware image "
6606                             "(%zd).\n", blob->fw->size);
6607                         return QLA_FUNCTION_FAILED;
6608                 }
6609
6610                 fragment = 0;
6611                 while (risc_size > 0 && rval == QLA_SUCCESS) {
6612                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
6613                         if (dlen > risc_size)
6614                                 dlen = risc_size;
6615
6616                         ql_dbg(ql_dbg_init, vha, 0x0097,
6617                             "Loading risc segment@ risc addr %x "
6618                             "number of dwords 0x%x.\n", risc_addr, dlen);
6619
6620                         for (i = 0; i < dlen; i++)
6621                                 dcode[i] = swab32(fwcode[i]);
6622
6623                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
6624                             dlen);
6625                         if (rval) {
6626                                 ql_log(ql_log_fatal, vha, 0x0098,
6627                                     "Failed to load segment %d of firmware.\n",
6628                                     fragment);
6629                                 return QLA_FUNCTION_FAILED;
6630                         }
6631
6632                         fwcode += dlen;
6633                         risc_addr += dlen;
6634                         risc_size -= dlen;
6635                         fragment++;
6636                 }
6637
6638                 /* Next segment. */
6639                 segments--;
6640         }
6641
6642         if (!IS_QLA27XX(ha))
6643                 return rval;
6644
6645         if (ha->fw_dump_template)
6646                 vfree(ha->fw_dump_template);
6647         ha->fw_dump_template = NULL;
6648         ha->fw_dump_template_len = 0;
6649
6650         ql_dbg(ql_dbg_init, vha, 0x171,
6651             "Loading fwdump template from %x\n",
6652             (uint32_t)((void *)fwcode - (void *)blob->fw->data));
6653         risc_size = be32_to_cpu(fwcode[2]);
6654         ql_dbg(ql_dbg_init, vha, 0x172,
6655             "-> array size %x dwords\n", risc_size);
6656         if (risc_size == 0 || risc_size == ~0)
6657                 goto default_template;
6658
6659         dlen = (risc_size - 8) * sizeof(*fwcode);
6660         ql_dbg(ql_dbg_init, vha, 0x0173,
6661             "-> template allocating %x bytes...\n", dlen);
6662         ha->fw_dump_template = vmalloc(dlen);
6663         if (!ha->fw_dump_template) {
6664                 ql_log(ql_log_warn, vha, 0x0174,
6665                     "Failed fwdump template allocate %x bytes.\n", risc_size);
6666                 goto default_template;
6667         }
6668
6669         fwcode += 7;
6670         risc_size -= 8;
6671         dcode = ha->fw_dump_template;
6672         for (i = 0; i < risc_size; i++)
6673                 dcode[i] = le32_to_cpu(fwcode[i]);
6674
6675         if (!qla27xx_fwdt_template_valid(dcode)) {
6676                 ql_log(ql_log_warn, vha, 0x0175,
6677                     "Failed fwdump template validate\n");
6678                 goto default_template;
6679         }
6680
6681         dlen = qla27xx_fwdt_template_size(dcode);
6682         ql_dbg(ql_dbg_init, vha, 0x0176,
6683             "-> template size %x bytes\n", dlen);
6684         if (dlen > risc_size * sizeof(*fwcode)) {
6685                 ql_log(ql_log_warn, vha, 0x0177,
6686                     "Failed fwdump template exceeds array by %x bytes\n",
6687                     (uint32_t)(dlen - risc_size * sizeof(*fwcode)));
6688                 goto default_template;
6689         }
6690         ha->fw_dump_template_len = dlen;
6691         return rval;
6692
6693 default_template:
6694         ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
6695         if (ha->fw_dump_template)
6696                 vfree(ha->fw_dump_template);
6697         ha->fw_dump_template = NULL;
6698         ha->fw_dump_template_len = 0;
6699
6700         dlen = qla27xx_fwdt_template_default_size();
6701         ql_dbg(ql_dbg_init, vha, 0x0179,
6702             "-> template allocating %x bytes...\n", dlen);
6703         ha->fw_dump_template = vmalloc(dlen);
6704         if (!ha->fw_dump_template) {
6705                 ql_log(ql_log_warn, vha, 0x017a,
6706                     "Failed fwdump template allocate %x bytes.\n", risc_size);
6707                 goto failed_template;
6708         }
6709
6710         dcode = ha->fw_dump_template;
6711         risc_size = dlen / sizeof(*fwcode);
6712         fwcode = qla27xx_fwdt_template_default();
6713         for (i = 0; i < risc_size; i++)
6714                 dcode[i] = be32_to_cpu(fwcode[i]);
6715
6716         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
6717                 ql_log(ql_log_warn, vha, 0x017b,
6718                     "Failed fwdump template validate\n");
6719                 goto failed_template;
6720         }
6721
6722         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
6723         ql_dbg(ql_dbg_init, vha, 0x017c,
6724             "-> template size %x bytes\n", dlen);
6725         ha->fw_dump_template_len = dlen;
6726         return rval;
6727
6728 failed_template:
6729         ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
6730         if (ha->fw_dump_template)
6731                 vfree(ha->fw_dump_template);
6732         ha->fw_dump_template = NULL;
6733         ha->fw_dump_template_len = 0;
6734         return rval;
6735 }
6736
6737 int
6738 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
6739 {
6740         int rval;
6741
6742         if (ql2xfwloadbin == 1)
6743                 return qla81xx_load_risc(vha, srisc_addr);
6744
6745         /*
6746          * FW Load priority:
6747          * 1) Firmware via request-firmware interface (.bin file).
6748          * 2) Firmware residing in flash.
6749          */
6750         rval = qla24xx_load_risc_blob(vha, srisc_addr);
6751         if (rval == QLA_SUCCESS)
6752                 return rval;
6753
6754         return qla24xx_load_risc_flash(vha, srisc_addr,
6755             vha->hw->flt_region_fw);
6756 }
6757
6758 int
6759 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
6760 {
6761         int rval;
6762         struct qla_hw_data *ha = vha->hw;
6763
6764         if (ql2xfwloadbin == 2)
6765                 goto try_blob_fw;
6766
6767         /*
6768          * FW Load priority:
6769          * 1) Firmware residing in flash.
6770          * 2) Firmware via request-firmware interface (.bin file).
6771          * 3) Golden-Firmware residing in flash -- limited operation.
6772          */
6773         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
6774         if (rval == QLA_SUCCESS)
6775                 return rval;
6776
6777 try_blob_fw:
6778         rval = qla24xx_load_risc_blob(vha, srisc_addr);
6779         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
6780                 return rval;
6781
6782         ql_log(ql_log_info, vha, 0x0099,
6783             "Attempting to fallback to golden firmware.\n");
6784         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
6785         if (rval != QLA_SUCCESS)
6786                 return rval;
6787
6788         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
6789         ha->flags.running_gold_fw = 1;
6790         return rval;
6791 }
6792
6793 void
6794 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
6795 {
6796         int ret, retries;
6797         struct qla_hw_data *ha = vha->hw;
6798
6799         if (ha->flags.pci_channel_io_perm_failure)
6800                 return;
6801         if (!IS_FWI2_CAPABLE(ha))
6802                 return;
6803         if (!ha->fw_major_version)
6804                 return;
6805
6806         ret = qla2x00_stop_firmware(vha);
6807         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
6808             ret != QLA_INVALID_COMMAND && retries ; retries--) {
6809                 ha->isp_ops->reset_chip(vha);
6810                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
6811                         continue;
6812                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
6813                         continue;
6814                 ql_log(ql_log_info, vha, 0x8015,
6815                     "Attempting retry of stop-firmware command.\n");
6816                 ret = qla2x00_stop_firmware(vha);
6817         }
6818 }
6819
6820 int
6821 qla24xx_configure_vhba(scsi_qla_host_t *vha)
6822 {
6823         int rval = QLA_SUCCESS;
6824         int rval2;
6825         uint16_t mb[MAILBOX_REGISTER_COUNT];
6826         struct qla_hw_data *ha = vha->hw;
6827         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6828         struct req_que *req;
6829         struct rsp_que *rsp;
6830
6831         if (!vha->vp_idx)
6832                 return -EINVAL;
6833
6834         rval = qla2x00_fw_ready(base_vha);
6835         if (vha->qpair)
6836                 req = vha->qpair->req;
6837         else
6838                 req = ha->req_q_map[0];
6839         rsp = req->rsp;
6840
6841         if (rval == QLA_SUCCESS) {
6842                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6843                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6844         }
6845
6846         vha->flags.management_server_logged_in = 0;
6847
6848         /* Login to SNS first */
6849         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
6850             BIT_1);
6851         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
6852                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
6853                         ql_dbg(ql_dbg_init, vha, 0x0120,
6854                             "Failed SNS login: loop_id=%x, rval2=%d\n",
6855                             NPH_SNS, rval2);
6856                 else
6857                         ql_dbg(ql_dbg_init, vha, 0x0103,
6858                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
6859                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
6860                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
6861                 return (QLA_FUNCTION_FAILED);
6862         }
6863
6864         atomic_set(&vha->loop_down_timer, 0);
6865         atomic_set(&vha->loop_state, LOOP_UP);
6866         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6867         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
6868         rval = qla2x00_loop_resync(base_vha);
6869
6870         return rval;
6871 }
6872
6873 /* 84XX Support **************************************************************/
6874
6875 static LIST_HEAD(qla_cs84xx_list);
6876 static DEFINE_MUTEX(qla_cs84xx_mutex);
6877
6878 static struct qla_chip_state_84xx *
6879 qla84xx_get_chip(struct scsi_qla_host *vha)
6880 {
6881         struct qla_chip_state_84xx *cs84xx;
6882         struct qla_hw_data *ha = vha->hw;
6883
6884         mutex_lock(&qla_cs84xx_mutex);
6885
6886         /* Find any shared 84xx chip. */
6887         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
6888                 if (cs84xx->bus == ha->pdev->bus) {
6889                         kref_get(&cs84xx->kref);
6890                         goto done;
6891                 }
6892         }
6893
6894         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
6895         if (!cs84xx)
6896                 goto done;
6897
6898         kref_init(&cs84xx->kref);
6899         spin_lock_init(&cs84xx->access_lock);
6900         mutex_init(&cs84xx->fw_update_mutex);
6901         cs84xx->bus = ha->pdev->bus;
6902
6903         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
6904 done:
6905         mutex_unlock(&qla_cs84xx_mutex);
6906         return cs84xx;
6907 }
6908
6909 static void
6910 __qla84xx_chip_release(struct kref *kref)
6911 {
6912         struct qla_chip_state_84xx *cs84xx =
6913             container_of(kref, struct qla_chip_state_84xx, kref);
6914
6915         mutex_lock(&qla_cs84xx_mutex);
6916         list_del(&cs84xx->list);
6917         mutex_unlock(&qla_cs84xx_mutex);
6918         kfree(cs84xx);
6919 }
6920
6921 void
6922 qla84xx_put_chip(struct scsi_qla_host *vha)
6923 {
6924         struct qla_hw_data *ha = vha->hw;
6925         if (ha->cs84xx)
6926                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
6927 }
6928
6929 static int
6930 qla84xx_init_chip(scsi_qla_host_t *vha)
6931 {
6932         int rval;
6933         uint16_t status[2];
6934         struct qla_hw_data *ha = vha->hw;
6935
6936         mutex_lock(&ha->cs84xx->fw_update_mutex);
6937
6938         rval = qla84xx_verify_chip(vha, status);
6939
6940         mutex_unlock(&ha->cs84xx->fw_update_mutex);
6941
6942         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
6943             QLA_SUCCESS;
6944 }
6945
6946 /* 81XX Support **************************************************************/
6947
6948 int
6949 qla81xx_nvram_config(scsi_qla_host_t *vha)
6950 {
6951         int   rval;
6952         struct init_cb_81xx *icb;
6953         struct nvram_81xx *nv;
6954         uint32_t *dptr;
6955         uint8_t  *dptr1, *dptr2;
6956         uint32_t chksum;
6957         uint16_t cnt;
6958         struct qla_hw_data *ha = vha->hw;
6959
6960         rval = QLA_SUCCESS;
6961         icb = (struct init_cb_81xx *)ha->init_cb;
6962         nv = ha->nvram;
6963
6964         /* Determine NVRAM starting address. */
6965         ha->nvram_size = sizeof(struct nvram_81xx);
6966         ha->vpd_size = FA_NVRAM_VPD_SIZE;
6967         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
6968                 ha->vpd_size = FA_VPD_SIZE_82XX;
6969
6970         /* Get VPD data into cache */
6971         ha->vpd = ha->nvram + VPD_OFFSET;
6972         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
6973             ha->vpd_size);
6974
6975         /* Get NVRAM data into cache and calculate checksum. */
6976         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
6977             ha->nvram_size);
6978         dptr = (uint32_t *)nv;
6979         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
6980                 chksum += le32_to_cpu(*dptr);
6981
6982         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
6983             "Contents of NVRAM:\n");
6984         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
6985             (uint8_t *)nv, ha->nvram_size);
6986
6987         /* Bad NVRAM data, set defaults parameters. */
6988         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
6989             || nv->id[3] != ' ' ||
6990             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
6991                 /* Reset NVRAM data. */
6992                 ql_log(ql_log_info, vha, 0x0073,
6993                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
6994                     "version=0x%x.\n", chksum, nv->id[0],
6995                     le16_to_cpu(nv->nvram_version));
6996                 ql_log(ql_log_info, vha, 0x0074,
6997                     "Falling back to functioning (yet invalid -- WWPN) "
6998                     "defaults.\n");
6999
7000                 /*
7001                  * Set default initialization control block.
7002                  */
7003                 memset(nv, 0, ha->nvram_size);
7004                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7005                 nv->version = cpu_to_le16(ICB_VERSION);
7006                 nv->frame_payload_size = 2048;
7007                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7008                 nv->exchange_count = cpu_to_le16(0);
7009                 nv->port_name[0] = 0x21;
7010                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7011                 nv->port_name[2] = 0x00;
7012                 nv->port_name[3] = 0xe0;
7013                 nv->port_name[4] = 0x8b;
7014                 nv->port_name[5] = 0x1c;
7015                 nv->port_name[6] = 0x55;
7016                 nv->port_name[7] = 0x86;
7017                 nv->node_name[0] = 0x20;
7018                 nv->node_name[1] = 0x00;
7019                 nv->node_name[2] = 0x00;
7020                 nv->node_name[3] = 0xe0;
7021                 nv->node_name[4] = 0x8b;
7022                 nv->node_name[5] = 0x1c;
7023                 nv->node_name[6] = 0x55;
7024                 nv->node_name[7] = 0x86;
7025                 nv->login_retry_count = cpu_to_le16(8);
7026                 nv->interrupt_delay_timer = cpu_to_le16(0);
7027                 nv->login_timeout = cpu_to_le16(0);
7028                 nv->firmware_options_1 =
7029                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7030                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7031                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7032                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7033                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7034                 nv->efi_parameters = cpu_to_le32(0);
7035                 nv->reset_delay = 5;
7036                 nv->max_luns_per_target = cpu_to_le16(128);
7037                 nv->port_down_retry_count = cpu_to_le16(30);
7038                 nv->link_down_timeout = cpu_to_le16(180);
7039                 nv->enode_mac[0] = 0x00;
7040                 nv->enode_mac[1] = 0xC0;
7041                 nv->enode_mac[2] = 0xDD;
7042                 nv->enode_mac[3] = 0x04;
7043                 nv->enode_mac[4] = 0x05;
7044                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
7045
7046                 rval = 1;
7047         }
7048
7049         if (IS_T10_PI_CAPABLE(ha))
7050                 nv->frame_payload_size &= ~7;
7051
7052         qlt_81xx_config_nvram_stage1(vha, nv);
7053
7054         /* Reset Initialization control block */
7055         memset(icb, 0, ha->init_cb_size);
7056
7057         /* Copy 1st segment. */
7058         dptr1 = (uint8_t *)icb;
7059         dptr2 = (uint8_t *)&nv->version;
7060         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7061         while (cnt--)
7062                 *dptr1++ = *dptr2++;
7063
7064         icb->login_retry_count = nv->login_retry_count;
7065
7066         /* Copy 2nd segment. */
7067         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7068         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7069         cnt = (uint8_t *)&icb->reserved_5 -
7070             (uint8_t *)&icb->interrupt_delay_timer;
7071         while (cnt--)
7072                 *dptr1++ = *dptr2++;
7073
7074         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
7075         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
7076         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
7077                 icb->enode_mac[0] = 0x00;
7078                 icb->enode_mac[1] = 0xC0;
7079                 icb->enode_mac[2] = 0xDD;
7080                 icb->enode_mac[3] = 0x04;
7081                 icb->enode_mac[4] = 0x05;
7082                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
7083         }
7084
7085         /* Use extended-initialization control block. */
7086         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
7087
7088         /*
7089          * Setup driver NVRAM options.
7090          */
7091         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7092             "QLE8XXX");
7093
7094         qlt_81xx_config_nvram_stage2(vha, icb);
7095
7096         /* Use alternate WWN? */
7097         if (nv->host_p & cpu_to_le32(BIT_15)) {
7098                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7099                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7100         }
7101
7102         /* Prepare nodename */
7103         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7104                 /*
7105                  * Firmware will apply the following mask if the nodename was
7106                  * not provided.
7107                  */
7108                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7109                 icb->node_name[0] &= 0xF0;
7110         }
7111
7112         /* Set host adapter parameters. */
7113         ha->flags.disable_risc_code_load = 0;
7114         ha->flags.enable_lip_reset = 0;
7115         ha->flags.enable_lip_full_login =
7116             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
7117         ha->flags.enable_target_reset =
7118             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
7119         ha->flags.enable_led_scheme = 0;
7120         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
7121
7122         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7123             (BIT_6 | BIT_5 | BIT_4)) >> 4;
7124
7125         /* save HBA serial number */
7126         ha->serial0 = icb->port_name[5];
7127         ha->serial1 = icb->port_name[6];
7128         ha->serial2 = icb->port_name[7];
7129         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7130         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7131
7132         icb->execution_throttle = cpu_to_le16(0xFFFF);
7133
7134         ha->retry_count = le16_to_cpu(nv->login_retry_count);
7135
7136         /* Set minimum login_timeout to 4 seconds. */
7137         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7138                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7139         if (le16_to_cpu(nv->login_timeout) < 4)
7140                 nv->login_timeout = cpu_to_le16(4);
7141         ha->login_timeout = le16_to_cpu(nv->login_timeout);
7142
7143         /* Set minimum RATOV to 100 tenths of a second. */
7144         ha->r_a_tov = 100;
7145
7146         ha->loop_reset_delay = nv->reset_delay;
7147
7148         /* Link Down Timeout = 0:
7149          *
7150          *      When Port Down timer expires we will start returning
7151          *      I/O's to OS with "DID_NO_CONNECT".
7152          *
7153          * Link Down Timeout != 0:
7154          *
7155          *       The driver waits for the link to come up after link down
7156          *       before returning I/Os to OS with "DID_NO_CONNECT".
7157          */
7158         if (le16_to_cpu(nv->link_down_timeout) == 0) {
7159                 ha->loop_down_abort_time =
7160                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7161         } else {
7162                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7163                 ha->loop_down_abort_time =
7164                     (LOOP_DOWN_TIME - ha->link_down_timeout);
7165         }
7166
7167         /* Need enough time to try and get the port back. */
7168         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
7169         if (qlport_down_retry)
7170                 ha->port_down_retry_count = qlport_down_retry;
7171
7172         /* Set login_retry_count */
7173         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
7174         if (ha->port_down_retry_count ==
7175             le16_to_cpu(nv->port_down_retry_count) &&
7176             ha->port_down_retry_count > 3)
7177                 ha->login_retry_count = ha->port_down_retry_count;
7178         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
7179                 ha->login_retry_count = ha->port_down_retry_count;
7180         if (ql2xloginretrycount)
7181                 ha->login_retry_count = ql2xloginretrycount;
7182
7183         /* if not running MSI-X we need handshaking on interrupts */
7184         if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
7185                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
7186
7187         /* Enable ZIO. */
7188         if (!vha->flags.init_done) {
7189                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
7190                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
7191                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7192                     le16_to_cpu(icb->interrupt_delay_timer): 2;
7193         }
7194         icb->firmware_options_2 &= cpu_to_le32(
7195             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
7196         vha->flags.process_response_queue = 0;
7197         if (ha->zio_mode != QLA_ZIO_DISABLED) {
7198                 ha->zio_mode = QLA_ZIO_MODE_6;
7199
7200                 ql_log(ql_log_info, vha, 0x0075,
7201                     "ZIO mode %d enabled; timer delay (%d us).\n",
7202                     ha->zio_mode,
7203                     ha->zio_timer * 100);
7204
7205                 icb->firmware_options_2 |= cpu_to_le32(
7206                     (uint32_t)ha->zio_mode);
7207                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
7208                 vha->flags.process_response_queue = 1;
7209         }
7210
7211          /* enable RIDA Format2 */
7212         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha))
7213                 icb->firmware_options_3 |= BIT_0;
7214
7215         if (rval) {
7216                 ql_log(ql_log_warn, vha, 0x0076,
7217                     "NVRAM configuration failed.\n");
7218         }
7219         return (rval);
7220 }
7221
7222 int
7223 qla82xx_restart_isp(scsi_qla_host_t *vha)
7224 {
7225         int status, rval;
7226         struct qla_hw_data *ha = vha->hw;
7227         struct req_que *req = ha->req_q_map[0];
7228         struct rsp_que *rsp = ha->rsp_q_map[0];
7229         struct scsi_qla_host *vp;
7230         unsigned long flags;
7231
7232         status = qla2x00_init_rings(vha);
7233         if (!status) {
7234                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7235                 ha->flags.chip_reset_done = 1;
7236
7237                 status = qla2x00_fw_ready(vha);
7238                 if (!status) {
7239                         /* Issue a marker after FW becomes ready. */
7240                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
7241                         vha->flags.online = 1;
7242                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7243                 }
7244
7245                 /* if no cable then assume it's good */
7246                 if ((vha->device_flags & DFLG_NO_CABLE))
7247                         status = 0;
7248         }
7249
7250         if (!status) {
7251                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7252
7253                 if (!atomic_read(&vha->loop_down_timer)) {
7254                         /*
7255                          * Issue marker command only when we are going
7256                          * to start the I/O .
7257                          */
7258                         vha->marker_needed = 1;
7259                 }
7260
7261                 ha->isp_ops->enable_intrs(ha);
7262
7263                 ha->isp_abort_cnt = 0;
7264                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7265
7266                 /* Update the firmware version */
7267                 status = qla82xx_check_md_needed(vha);
7268
7269                 if (ha->fce) {
7270                         ha->flags.fce_enabled = 1;
7271                         memset(ha->fce, 0,
7272                             fce_calc_size(ha->fce_bufs));
7273                         rval = qla2x00_enable_fce_trace(vha,
7274                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
7275                             &ha->fce_bufs);
7276                         if (rval) {
7277                                 ql_log(ql_log_warn, vha, 0x8001,
7278                                     "Unable to reinitialize FCE (%d).\n",
7279                                     rval);
7280                                 ha->flags.fce_enabled = 0;
7281                         }
7282                 }
7283
7284                 if (ha->eft) {
7285                         memset(ha->eft, 0, EFT_SIZE);
7286                         rval = qla2x00_enable_eft_trace(vha,
7287                             ha->eft_dma, EFT_NUM_BUFFERS);
7288                         if (rval) {
7289                                 ql_log(ql_log_warn, vha, 0x8010,
7290                                     "Unable to reinitialize EFT (%d).\n",
7291                                     rval);
7292                         }
7293                 }
7294         }
7295
7296         if (!status) {
7297                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
7298                     "qla82xx_restart_isp succeeded.\n");
7299
7300                 spin_lock_irqsave(&ha->vport_slock, flags);
7301                 list_for_each_entry(vp, &ha->vp_list, list) {
7302                         if (vp->vp_idx) {
7303                                 atomic_inc(&vp->vref_count);
7304                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7305
7306                                 qla2x00_vp_abort_isp(vp);
7307
7308                                 spin_lock_irqsave(&ha->vport_slock, flags);
7309                                 atomic_dec(&vp->vref_count);
7310                         }
7311                 }
7312                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7313
7314         } else {
7315                 ql_log(ql_log_warn, vha, 0x8016,
7316                     "qla82xx_restart_isp **** FAILED ****.\n");
7317         }
7318
7319         return status;
7320 }
7321
7322 void
7323 qla81xx_update_fw_options(scsi_qla_host_t *vha)
7324 {
7325         struct qla_hw_data *ha = vha->hw;
7326
7327         /*  Hold status IOCBs until ABTS response received. */
7328         if (ql2xfwholdabts)
7329                 ha->fw_options[3] |= BIT_12;
7330
7331         /* Set Retry FLOGI in case of P2P connection */
7332         if (ha->operating_mode == P2P) {
7333                 ha->fw_options[2] |= BIT_3;
7334                 ql_dbg(ql_dbg_disc, vha, 0x2103,
7335                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
7336                         __func__, ha->fw_options[2]);
7337         }
7338
7339         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
7340         if (ql2xmvasynctoatio) {
7341                 if (qla_tgt_mode_enabled(vha) ||
7342                     qla_dual_mode_enabled(vha))
7343                         ha->fw_options[2] |= BIT_11;
7344                 else
7345                         ha->fw_options[2] &= ~BIT_11;
7346         }
7347
7348         if (ql2xetsenable) {
7349                 /* Enable ETS Burst. */
7350                 memset(ha->fw_options, 0, sizeof(ha->fw_options));
7351                 ha->fw_options[2] |= BIT_9;
7352         }
7353
7354         ql_dbg(ql_dbg_init, vha, 0xffff,
7355                 "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
7356                 __func__, ha->fw_options[1], ha->fw_options[2],
7357                 ha->fw_options[3], vha->host->active_mode);
7358
7359         qla2x00_set_fw_options(vha, ha->fw_options);
7360 }
7361
7362 /*
7363  * qla24xx_get_fcp_prio
7364  *      Gets the fcp cmd priority value for the logged in port.
7365  *      Looks for a match of the port descriptors within
7366  *      each of the fcp prio config entries. If a match is found,
7367  *      the tag (priority) value is returned.
7368  *
7369  * Input:
7370  *      vha = scsi host structure pointer.
7371  *      fcport = port structure pointer.
7372  *
7373  * Return:
7374  *      non-zero (if found)
7375  *      -1 (if not found)
7376  *
7377  * Context:
7378  *      Kernel context
7379  */
7380 static int
7381 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
7382 {
7383         int i, entries;
7384         uint8_t pid_match, wwn_match;
7385         int priority;
7386         uint32_t pid1, pid2;
7387         uint64_t wwn1, wwn2;
7388         struct qla_fcp_prio_entry *pri_entry;
7389         struct qla_hw_data *ha = vha->hw;
7390
7391         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
7392                 return -1;
7393
7394         priority = -1;
7395         entries = ha->fcp_prio_cfg->num_entries;
7396         pri_entry = &ha->fcp_prio_cfg->entry[0];
7397
7398         for (i = 0; i < entries; i++) {
7399                 pid_match = wwn_match = 0;
7400
7401                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
7402                         pri_entry++;
7403                         continue;
7404                 }
7405
7406                 /* check source pid for a match */
7407                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
7408                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
7409                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
7410                         if (pid1 == INVALID_PORT_ID)
7411                                 pid_match++;
7412                         else if (pid1 == pid2)
7413                                 pid_match++;
7414                 }
7415
7416                 /* check destination pid for a match */
7417                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
7418                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
7419                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
7420                         if (pid1 == INVALID_PORT_ID)
7421                                 pid_match++;
7422                         else if (pid1 == pid2)
7423                                 pid_match++;
7424                 }
7425
7426                 /* check source WWN for a match */
7427                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
7428                         wwn1 = wwn_to_u64(vha->port_name);
7429                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
7430                         if (wwn2 == (uint64_t)-1)
7431                                 wwn_match++;
7432                         else if (wwn1 == wwn2)
7433                                 wwn_match++;
7434                 }
7435
7436                 /* check destination WWN for a match */
7437                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
7438                         wwn1 = wwn_to_u64(fcport->port_name);
7439                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
7440                         if (wwn2 == (uint64_t)-1)
7441                                 wwn_match++;
7442                         else if (wwn1 == wwn2)
7443                                 wwn_match++;
7444                 }
7445
7446                 if (pid_match == 2 || wwn_match == 2) {
7447                         /* Found a matching entry */
7448                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
7449                                 priority = pri_entry->tag;
7450                         break;
7451                 }
7452
7453                 pri_entry++;
7454         }
7455
7456         return priority;
7457 }
7458
7459 /*
7460  * qla24xx_update_fcport_fcp_prio
7461  *      Activates fcp priority for the logged in fc port
7462  *
7463  * Input:
7464  *      vha = scsi host structure pointer.
7465  *      fcp = port structure pointer.
7466  *
7467  * Return:
7468  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
7469  *
7470  * Context:
7471  *      Kernel context.
7472  */
7473 int
7474 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
7475 {
7476         int ret;
7477         int priority;
7478         uint16_t mb[5];
7479
7480         if (fcport->port_type != FCT_TARGET ||
7481             fcport->loop_id == FC_NO_LOOP_ID)
7482                 return QLA_FUNCTION_FAILED;
7483
7484         priority = qla24xx_get_fcp_prio(vha, fcport);
7485         if (priority < 0)
7486                 return QLA_FUNCTION_FAILED;
7487
7488         if (IS_P3P_TYPE(vha->hw)) {
7489                 fcport->fcp_prio = priority & 0xf;
7490                 return QLA_SUCCESS;
7491         }
7492
7493         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
7494         if (ret == QLA_SUCCESS) {
7495                 if (fcport->fcp_prio != priority)
7496                         ql_dbg(ql_dbg_user, vha, 0x709e,
7497                             "Updated FCP_CMND priority - value=%d loop_id=%d "
7498                             "port_id=%02x%02x%02x.\n", priority,
7499                             fcport->loop_id, fcport->d_id.b.domain,
7500                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
7501                 fcport->fcp_prio = priority & 0xf;
7502         } else
7503                 ql_dbg(ql_dbg_user, vha, 0x704f,
7504                     "Unable to update FCP_CMND priority - ret=0x%x for "
7505                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
7506                     fcport->d_id.b.domain, fcport->d_id.b.area,
7507                     fcport->d_id.b.al_pa);
7508         return  ret;
7509 }
7510
7511 /*
7512  * qla24xx_update_all_fcp_prio
7513  *      Activates fcp priority for all the logged in ports
7514  *
7515  * Input:
7516  *      ha = adapter block pointer.
7517  *
7518  * Return:
7519  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
7520  *
7521  * Context:
7522  *      Kernel context.
7523  */
7524 int
7525 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
7526 {
7527         int ret;
7528         fc_port_t *fcport;
7529
7530         ret = QLA_FUNCTION_FAILED;
7531         /* We need to set priority for all logged in ports */
7532         list_for_each_entry(fcport, &vha->vp_fcports, list)
7533                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
7534
7535         return ret;
7536 }
7537
7538 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos, int vp_idx)
7539 {
7540         int rsp_id = 0;
7541         int  req_id = 0;
7542         int i;
7543         struct qla_hw_data *ha = vha->hw;
7544         uint16_t qpair_id = 0;
7545         struct qla_qpair *qpair = NULL;
7546         struct qla_msix_entry *msix;
7547
7548         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
7549                 ql_log(ql_log_warn, vha, 0x00181,
7550                     "FW/Driver is not multi-queue capable.\n");
7551                 return NULL;
7552         }
7553
7554         if (ql2xmqsupport) {
7555                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
7556                 if (qpair == NULL) {
7557                         ql_log(ql_log_warn, vha, 0x0182,
7558                             "Failed to allocate memory for queue pair.\n");
7559                         return NULL;
7560                 }
7561                 memset(qpair, 0, sizeof(struct qla_qpair));
7562
7563                 qpair->hw = vha->hw;
7564                 qpair->vha = vha;
7565
7566                 /* Assign available que pair id */
7567                 mutex_lock(&ha->mq_lock);
7568                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
7569                 if (qpair_id >= ha->max_qpairs) {
7570                         mutex_unlock(&ha->mq_lock);
7571                         ql_log(ql_log_warn, vha, 0x0183,
7572                             "No resources to create additional q pair.\n");
7573                         goto fail_qid_map;
7574                 }
7575                 set_bit(qpair_id, ha->qpair_qid_map);
7576                 ha->queue_pair_map[qpair_id] = qpair;
7577                 qpair->id = qpair_id;
7578                 qpair->vp_idx = vp_idx;
7579
7580                 for (i = 0; i < ha->msix_count; i++) {
7581                         msix = &ha->msix_entries[i];
7582                         if (msix->in_use)
7583                                 continue;
7584                         qpair->msix = msix;
7585                         ql_log(ql_dbg_multiq, vha, 0xc00f,
7586                             "Vector %x selected for qpair\n", msix->vector);
7587                         break;
7588                 }
7589                 if (!qpair->msix) {
7590                         ql_log(ql_log_warn, vha, 0x0184,
7591                             "Out of MSI-X vectors!.\n");
7592                         goto fail_msix;
7593                 }
7594
7595                 qpair->msix->in_use = 1;
7596                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
7597
7598                 mutex_unlock(&ha->mq_lock);
7599
7600                 /* Create response queue first */
7601                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair);
7602                 if (!rsp_id) {
7603                         ql_log(ql_log_warn, vha, 0x0185,
7604                             "Failed to create response queue.\n");
7605                         goto fail_rsp;
7606                 }
7607
7608                 qpair->rsp = ha->rsp_q_map[rsp_id];
7609
7610                 /* Create request queue */
7611                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos);
7612                 if (!req_id) {
7613                         ql_log(ql_log_warn, vha, 0x0186,
7614                             "Failed to create request queue.\n");
7615                         goto fail_req;
7616                 }
7617
7618                 qpair->req = ha->req_q_map[req_id];
7619                 qpair->rsp->req = qpair->req;
7620
7621                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
7622                         if (ha->fw_attributes & BIT_4)
7623                                 qpair->difdix_supported = 1;
7624                 }
7625
7626                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
7627                 if (!qpair->srb_mempool) {
7628                         ql_log(ql_log_warn, vha, 0x0191,
7629                             "Failed to create srb mempool for qpair %d\n",
7630                             qpair->id);
7631                         goto fail_mempool;
7632                 }
7633
7634                 /* Mark as online */
7635                 qpair->online = 1;
7636
7637                 if (!vha->flags.qpairs_available)
7638                         vha->flags.qpairs_available = 1;
7639
7640                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
7641                     "Request/Response queue pair created, id %d\n",
7642                     qpair->id);
7643                 ql_dbg(ql_dbg_init, vha, 0x0187,
7644                     "Request/Response queue pair created, id %d\n",
7645                     qpair->id);
7646         }
7647         return qpair;
7648
7649 fail_mempool:
7650 fail_req:
7651         qla25xx_delete_rsp_que(vha, qpair->rsp);
7652 fail_rsp:
7653         mutex_lock(&ha->mq_lock);
7654         qpair->msix->in_use = 0;
7655         list_del(&qpair->qp_list_elem);
7656         if (list_empty(&vha->qp_list))
7657                 vha->flags.qpairs_available = 0;
7658 fail_msix:
7659         ha->queue_pair_map[qpair_id] = NULL;
7660         clear_bit(qpair_id, ha->qpair_qid_map);
7661         mutex_unlock(&ha->mq_lock);
7662 fail_qid_map:
7663         kfree(qpair);
7664         return NULL;
7665 }
7666
7667 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
7668 {
7669         int ret;
7670         struct qla_hw_data *ha = qpair->hw;
7671
7672         qpair->delete_in_progress = 1;
7673         while (atomic_read(&qpair->ref_count))
7674                 msleep(500);
7675
7676         ret = qla25xx_delete_req_que(vha, qpair->req);
7677         if (ret != QLA_SUCCESS)
7678                 goto fail;
7679         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
7680         if (ret != QLA_SUCCESS)
7681                 goto fail;
7682
7683         mutex_lock(&ha->mq_lock);
7684         ha->queue_pair_map[qpair->id] = NULL;
7685         clear_bit(qpair->id, ha->qpair_qid_map);
7686         list_del(&qpair->qp_list_elem);
7687         if (list_empty(&vha->qp_list))
7688                 vha->flags.qpairs_available = 0;
7689         mempool_destroy(qpair->srb_mempool);
7690         kfree(qpair);
7691         mutex_unlock(&ha->mq_lock);
7692
7693         return QLA_SUCCESS;
7694 fail:
7695         return ret;
7696 }